Finding the Third Proportional to 62,593.50 and 139,180

Step by Step Solution

1. Step 1: Write the proportion equation
   62,593.50 : 139,180 = 139,180 : x
2. Step 2: Convert to fraction form
   62,593.50/139,180 = 139,180/x
3. Step 3: Cross multiply
   62,593.50x = 139,180 × 139,180
4. Step 4: Simplify right side
   62,593.50x = 19,371,072,400
5. Step 5: Solve for x
   x = 19,371,072,400/62,593.50
6. Step 6: Final answer
   x = 309,474.19