Finding the Third Proportional to 43,031.25 and 57,712.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,031.25 : 57,712.50 = 57,712.50 : x
2. Step 2: Convert to fraction form
   43,031.25/57,712.50 = 57,712.50/x
3. Step 3: Cross multiply
   43,031.25x = 57,712.50 × 57,712.50
4. Step 4: Simplify right side
   43,031.25x = 3,330,732,656.25
5. Step 5: Solve for x
   x = 3,330,732,656.25/43,031.25
6. Step 6: Final answer
   x = 77,402.65