Finding the Third Proportional to 238,572 and 365,499

Step by Step Solution

1. Step 1: Write the proportion equation
   238,572 : 365,499 = 365,499 : x
2. Step 2: Convert to fraction form
   238,572/365,499 = 365,499/x
3. Step 3: Cross multiply
   238,572x = 365,499 × 365,499
4. Step 4: Simplify right side
   238,572x = 133,589,519,001
5. Step 5: Solve for x
   x = 133,589,519,001/238,572
6. Step 6: Final answer
   x = 559,954.73