Finding the Third Proportional to 45,115 and 63,570

Step by Step Solution

1. Step 1: Write the proportion equation
   45,115 : 63,570 = 63,570 : x
2. Step 2: Convert to fraction form
   45,115/63,570 = 63,570/x
3. Step 3: Cross multiply
   45,115x = 63,570 × 63,570
4. Step 4: Simplify right side
   45,115x = 4,041,144,900
5. Step 5: Solve for x
   x = 4,041,144,900/45,115
6. Step 6: Final answer
   x = 89,574.31