Finding the Third Proportional to 52,926 and 72,909

Step by Step Solution

1. Step 1: Write the proportion equation
   52,926 : 72,909 = 72,909 : x
2. Step 2: Convert to fraction form
   52,926/72,909 = 72,909/x
3. Step 3: Cross multiply
   52,926x = 72,909 × 72,909
4. Step 4: Simplify right side
   52,926x = 5,315,722,281
5. Step 5: Solve for x
   x = 5,315,722,281/52,926
6. Step 6: Final answer
   x = 100,436.88