Finding the Third Proportional to 45,411.75 and 70,542

Step by Step Solution

1. Step 1: Write the proportion equation
   45,411.75 : 70,542 = 70,542 : x
2. Step 2: Convert to fraction form
   45,411.75/70,542 = 70,542/x
3. Step 3: Cross multiply
   45,411.75x = 70,542 × 70,542
4. Step 4: Simplify right side
   45,411.75x = 4,976,173,764
5. Step 5: Solve for x
   x = 4,976,173,764/45,411.75
6. Step 6: Final answer
   x = 109,578.99