Finding the Third Proportional to 357,490,030.50 and 769,759,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,490,030.50 : 769,759,969.50 = 769,759,969.50 : x
2. Step 2: Convert to fraction form
   357,490,030.50/769,759,969.50 = 769,759,969.50/x
3. Step 3: Cross multiply
   357,490,030.50x = 769,759,969.50 × 769,759,969.50
4. Step 4: Simplify right side
   357,490,030.50x = 592,530,410,644,640,896
5. Step 5: Solve for x
   x = 592,530,410,644,640,896/357,490,030.50
6. Step 6: Final answer
   x = 1,657,473,943.58