Finding the Third Proportional to 69,451.88 and 103,766.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,451.88 : 103,766.63 = 103,766.63 : x
2. Step 2: Convert to fraction form
   69,451.88/103,766.63 = 103,766.63/x
3. Step 3: Cross multiply
   69,451.88x = 103,766.63 × 103,766.63
4. Step 4: Simplify right side
   69,451.88x = 10,767,512,463.89
5. Step 5: Solve for x
   x = 10,767,512,463.89/69,451.88
6. Step 6: Final answer
   x = 155,035.59