Finding the Third Proportional to 69,087.75 and 148,746

Step by Step Solution

1. Step 1: Write the proportion equation
   69,087.75 : 148,746 = 148,746 : x
2. Step 2: Convert to fraction form
   69,087.75/148,746 = 148,746/x
3. Step 3: Cross multiply
   69,087.75x = 148,746 × 148,746
4. Step 4: Simplify right side
   69,087.75x = 22,125,372,516
5. Step 5: Solve for x
   x = 22,125,372,516/69,087.75
6. Step 6: Final answer
   x = 320,250.30