Finding the Third Proportional to 153,499,268 and 313,164,592

Step by Step Solution

1. Step 1: Write the proportion equation
   153,499,268 : 313,164,592 = 313,164,592 : x
2. Step 2: Convert to fraction form
   153,499,268/313,164,592 = 313,164,592/x
3. Step 3: Cross multiply
   153,499,268x = 313,164,592 × 313,164,592
4. Step 4: Simplify right side
   153,499,268x = 98,072,061,682,526,464
5. Step 5: Solve for x
   x = 98,072,061,682,526,464/153,499,268
6. Step 6: Final answer
   x = 638,908,986.08