Finding the Third Proportional to 245,172,912 and 365,633,280

Step by Step Solution

1. Step 1: Write the proportion equation
   245,172,912 : 365,633,280 = 365,633,280 : x
2. Step 2: Convert to fraction form
   245,172,912/365,633,280 = 365,633,280/x
3. Step 3: Cross multiply
   245,172,912x = 365,633,280 × 365,633,280
4. Step 4: Simplify right side
   245,172,912x = 133,687,695,443,558,400
5. Step 5: Solve for x
   x = 133,687,695,443,558,400/245,172,912
6. Step 6: Final answer
   x = 545,279,224.99