Finding the Third Proportional to 153,499,272 and 313,164,600

Step by Step Solution

1. Step 1: Write the proportion equation
   153,499,272 : 313,164,600 = 313,164,600 : x
2. Step 2: Convert to fraction form
   153,499,272/313,164,600 = 313,164,600/x
3. Step 3: Cross multiply
   153,499,272x = 313,164,600 × 313,164,600
4. Step 4: Simplify right side
   153,499,272x = 98,072,066,693,160,000
5. Step 5: Solve for x
   x = 98,072,066,693,160,000/153,499,272
6. Step 6: Final answer
   x = 638,909,002.08