Finding the Third Proportional to 516,816,949.50 and 794,385,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,816,949.50 : 794,385,022.50 = 794,385,022.50 : x
2. Step 2: Convert to fraction form
   516,816,949.50/794,385,022.50 = 794,385,022.50/x
3. Step 3: Cross multiply
   516,816,949.50x = 794,385,022.50 × 794,385,022.50
4. Step 4: Simplify right side
   516,816,949.50x = 631,047,563,972,325,504
5. Step 5: Solve for x
   x = 631,047,563,972,325,504/516,816,949.50
6. Step 6: Final answer
   x = 1,221,027,221.69