Finding the Third Proportional to 35,969 and 78,499

Step by Step Solution

1. Step 1: Write the proportion equation
   35,969 : 78,499 = 78,499 : x
2. Step 2: Convert to fraction form
   35,969/78,499 = 78,499/x
3. Step 3: Cross multiply
   35,969x = 78,499 × 78,499
4. Step 4: Simplify right side
   35,969x = 6,162,093,001
5. Step 5: Solve for x
   x = 6,162,093,001/35,969
6. Step 6: Final answer
   x = 171,316.77