Finding the Third Proportional to 40,480 and 63,020

Step by Step Solution

1. Step 1: Write the proportion equation
   40,480 : 63,020 = 63,020 : x
2. Step 2: Convert to fraction form
   40,480/63,020 = 63,020/x
3. Step 3: Cross multiply
   40,480x = 63,020 × 63,020
4. Step 4: Simplify right side
   40,480x = 3,971,520,400
5. Step 5: Solve for x
   x = 3,971,520,400/40,480
6. Step 6: Final answer
   x = 98,110.68