Finding the Third Proportional to 349,850,521.50 and 809,926,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,850,521.50 : 809,926,090.50 = 809,926,090.50 : x
2. Step 2: Convert to fraction form
   349,850,521.50/809,926,090.50 = 809,926,090.50/x
3. Step 3: Cross multiply
   349,850,521.50x = 809,926,090.50 × 809,926,090.50
4. Step 4: Simplify right side
   349,850,521.50x = 655,980,272,072,614,144
5. Step 5: Solve for x
   x = 655,980,272,072,614,144/349,850,521.50
6. Step 6: Final answer
   x = 1,875,030,139.33