Finding the Third Proportional to 68,407.50 and 102,336

Step by Step Solution

1. Step 1: Write the proportion equation
   68,407.50 : 102,336 = 102,336 : x
2. Step 2: Convert to fraction form
   68,407.50/102,336 = 102,336/x
3. Step 3: Cross multiply
   68,407.50x = 102,336 × 102,336
4. Step 4: Simplify right side
   68,407.50x = 10,472,656,896
5. Step 5: Solve for x
   x = 10,472,656,896/68,407.50
6. Step 6: Final answer
   x = 153,092.23