Finding the Third Proportional to 69,086.25 and 148,766.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,086.25 : 148,766.63 = 148,766.63 : x
2. Step 2: Convert to fraction form
   69,086.25/148,766.63 = 148,766.63/x
3. Step 3: Cross multiply
   69,086.25x = 148,766.63 × 148,766.63
4. Step 4: Simplify right side
   69,086.25x = 22,131,508,713.89
5. Step 5: Solve for x
   x = 22,131,508,713.89/69,086.25
6. Step 6: Final answer
   x = 320,346.07