Finding the Third Proportional to 307,812,902,091.76 and 661,950,587,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   307,812,902,091.76 : 661,950,587,461.50 = 661,950,587,461.50 : x
2. Step 2: Convert to fraction form
   307,812,902,091.76/661,950,587,461.50 = 661,950,587,461.50/x
3. Step 3: Cross multiply
   307,812,902,091.76x = 661,950,587,461.50 × 661,950,587,461.50
4. Step 4: Simplify right side
   307,812,902,091.76x = 438,178,580,240,624,955,424,768
5. Step 5: Solve for x
   x = 438,178,580,240,624,955,424,768/307,812,902,091.76
6. Step 6: Final answer
   x = 1,423,522,462,063.67