Finding the Third Proportional to 143,462,340 and 297,132,705

Step by Step Solution

1. Step 1: Write the proportion equation
   143,462,340 : 297,132,705 = 297,132,705 : x
2. Step 2: Convert to fraction form
   143,462,340/297,132,705 = 297,132,705/x
3. Step 3: Cross multiply
   143,462,340x = 297,132,705 × 297,132,705
4. Step 4: Simplify right side
   143,462,340x = 88,287,844,380,617,024
5. Step 5: Solve for x
   x = 88,287,844,380,617,024/143,462,340
6. Step 6: Final answer
   x = 615,407,809.33