Finding the Third Proportional to 56,706.75 and 83,766.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,706.75 : 83,766.75 = 83,766.75 : x
2. Step 2: Convert to fraction form
   56,706.75/83,766.75 = 83,766.75/x
3. Step 3: Cross multiply
   56,706.75x = 83,766.75 × 83,766.75
4. Step 4: Simplify right side
   56,706.75x = 7,016,868,405.56
5. Step 5: Solve for x
   x = 7,016,868,405.56/56,706.75
6. Step 6: Final answer
   x = 123,739.56