Finding the Third Proportional to 56,824.88 and 85,237.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,824.88 : 85,237.31 = 85,237.31 : x
2. Step 2: Convert to fraction form
   56,824.88/85,237.31 = 85,237.31/x
3. Step 3: Cross multiply
   56,824.88x = 85,237.31 × 85,237.31
4. Step 4: Simplify right side
   56,824.88x = 7,265,399,442.22
5. Step 5: Solve for x
   x = 7,265,399,442.22/56,824.88
6. Step 6: Final answer
   x = 127,855.97