Finding the Third Proportional to 39,904.21 and 59,510.32

Step by Step Solution

1. Step 1: Write the proportion equation
   39,904.21 : 59,510.32 = 59,510.32 : x
2. Step 2: Convert to fraction form
   39,904.21/59,510.32 = 59,510.32/x
3. Step 3: Cross multiply
   39,904.21x = 59,510.32 × 59,510.32
4. Step 4: Simplify right side
   39,904.21x = 3,541,478,223.70
5. Step 5: Solve for x
   x = 3,541,478,223.70/39,904.21
6. Step 6: Final answer
   x = 88,749.50