Finding the Third Proportional to 168,811.50 and 363,624

Step by Step Solution

1. Step 1: Write the proportion equation
   168,811.50 : 363,624 = 363,624 : x
2. Step 2: Convert to fraction form
   168,811.50/363,624 = 363,624/x
3. Step 3: Cross multiply
   168,811.50x = 363,624 × 363,624
4. Step 4: Simplify right side
   168,811.50x = 132,222,413,376
5. Step 5: Solve for x
   x = 132,222,413,376/168,811.50
6. Step 6: Final answer
   x = 783,254.77