Finding the Third Proportional to 52,800.75 and 81,677.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,800.75 : 81,677.25 = 81,677.25 : x
2. Step 2: Convert to fraction form
   52,800.75/81,677.25 = 81,677.25/x
3. Step 3: Cross multiply
   52,800.75x = 81,677.25 × 81,677.25
4. Step 4: Simplify right side
   52,800.75x = 6,671,173,167.56
5. Step 5: Solve for x
   x = 6,671,173,167.56/52,800.75
6. Step 6: Final answer
   x = 126,346.18