Finding the Third Proportional to 663,858,182.25 and 1,447,859,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   663,858,182.25 : 1,447,859,209.50 = 1,447,859,209.50 : x
2. Step 2: Convert to fraction form
   663,858,182.25/1,447,859,209.50 = 1,447,859,209.50/x
3. Step 3: Cross multiply
   663,858,182.25x = 1,447,859,209.50 × 1,447,859,209.50
4. Step 4: Simplify right side
   663,858,182.25x = 2,096,296,290,533,964,800
5. Step 5: Solve for x
   x = 2,096,296,290,533,964,800/663,858,182.25
6. Step 6: Final answer
   x = 3,157,747,161.34