Finding the Third Proportional to 39,499 and 87,746

Step by Step Solution

1. Step 1: Write the proportion equation
   39,499 : 87,746 = 87,746 : x
2. Step 2: Convert to fraction form
   39,499/87,746 = 87,746/x
3. Step 3: Cross multiply
   39,499x = 87,746 × 87,746
4. Step 4: Simplify right side
   39,499x = 7,699,360,516
5. Step 5: Solve for x
   x = 7,699,360,516/39,499
6. Step 6: Final answer
   x = 194,925.45