Finding the Third Proportional to 247,522.50 and 386,076.38

Step by Step Solution

1. Step 1: Write the proportion equation
   247,522.50 : 386,076.38 = 386,076.38 : x
2. Step 2: Convert to fraction form
   247,522.50/386,076.38 = 386,076.38/x
3. Step 3: Cross multiply
   247,522.50x = 386,076.38 × 386,076.38
4. Step 4: Simplify right side
   247,522.50x = 149,054,967,333.14
5. Step 5: Solve for x
   x = 149,054,967,333.14/247,522.50
6. Step 6: Final answer
   x = 602,187.55