Finding the Third Proportional to 42,516 and 59,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,516 : 59,440.50 = 59,440.50 : x
2. Step 2: Convert to fraction form
   42,516/59,440.50 = 59,440.50/x
3. Step 3: Cross multiply
   42,516x = 59,440.50 × 59,440.50
4. Step 4: Simplify right side
   42,516x = 3,533,173,040.25
5. Step 5: Solve for x
   x = 3,533,173,040.25/42,516
6. Step 6: Final answer
   x = 83,102.20