Finding the Third Proportional to 39,893.31 and 59,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,893.31 : 59,069.69 = 59,069.69 : x
2. Step 2: Convert to fraction form
   39,893.31/59,069.69 = 59,069.69/x
3. Step 3: Cross multiply
   39,893.31x = 59,069.69 × 59,069.69
4. Step 4: Simplify right side
   39,893.31x = 3,489,227,981.35
5. Step 5: Solve for x
   x = 3,489,227,981.35/39,893.31
6. Step 6: Final answer
   x = 87,463.98