Finding the Third Proportional to 35,280 and 52,915

Step by Step Solution

1. Step 1: Write the proportion equation
   35,280 : 52,915 = 52,915 : x
2. Step 2: Convert to fraction form
   35,280/52,915 = 52,915/x
3. Step 3: Cross multiply
   35,280x = 52,915 × 52,915
4. Step 4: Simplify right side
   35,280x = 2,799,997,225
5. Step 5: Solve for x
   x = 2,799,997,225/35,280
6. Step 6: Final answer
   x = 79,365.00