Finding the Third Proportional to 42,221.25 and 59,375.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,221.25 : 59,375.25 = 59,375.25 : x
2. Step 2: Convert to fraction form
   42,221.25/59,375.25 = 59,375.25/x
3. Step 3: Cross multiply
   42,221.25x = 59,375.25 × 59,375.25
4. Step 4: Simplify right side
   42,221.25x = 3,525,420,312.56
5. Step 5: Solve for x
   x = 3,525,420,312.56/42,221.25
6. Step 6: Final answer
   x = 83,498.72