Finding the Third Proportional to 42,697.76 and 59,715.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,697.76 : 59,715.35 = 59,715.35 : x
2. Step 2: Convert to fraction form
   42,697.76/59,715.35 = 59,715.35/x
3. Step 3: Cross multiply
   42,697.76x = 59,715.35 × 59,715.35
4. Step 4: Simplify right side
   42,697.76x = 3,565,923,212.23
5. Step 5: Solve for x
   x = 3,565,923,212.23/42,697.76
6. Step 6: Final answer
   x = 83,515.47