Finding the Third Proportional to 103,442.50 and 138,735

Step by Step Solution

1. Step 1: Write the proportion equation
   103,442.50 : 138,735 = 138,735 : x
2. Step 2: Convert to fraction form
   103,442.50/138,735 = 138,735/x
3. Step 3: Cross multiply
   103,442.50x = 138,735 × 138,735
4. Step 4: Simplify right side
   103,442.50x = 19,247,400,225
5. Step 5: Solve for x
   x = 19,247,400,225/103,442.50
6. Step 6: Final answer
   x = 186,068.59