Finding the Third Proportional to 99,470,610 and 214,057,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,610 : 214,057,768.50 = 214,057,768.50 : x
2. Step 2: Convert to fraction form
   99,470,610/214,057,768.50 = 214,057,768.50/x
3. Step 3: Cross multiply
   99,470,610x = 214,057,768.50 × 214,057,768.50
4. Step 4: Simplify right side
   99,470,610x = 45,820,728,255,199,592
5. Step 5: Solve for x
   x = 45,820,728,255,199,592/99,470,610
6. Step 6: Final answer
   x = 460,645,895.86