Finding the Third Proportional to 40,320 and 88,416

Step by Step Solution

1. Step 1: Write the proportion equation
   40,320 : 88,416 = 88,416 : x
2. Step 2: Convert to fraction form
   40,320/88,416 = 88,416/x
3. Step 3: Cross multiply
   40,320x = 88,416 × 88,416
4. Step 4: Simplify right side
   40,320x = 7,817,389,056
5. Step 5: Solve for x
   x = 7,817,389,056/40,320
6. Step 6: Final answer
   x = 193,883.66