Finding the Third Proportional to 207,568.50 and 439,818

Step by Step Solution

1. Step 1: Write the proportion equation
   207,568.50 : 439,818 = 439,818 : x
2. Step 2: Convert to fraction form
   207,568.50/439,818 = 439,818/x
3. Step 3: Cross multiply
   207,568.50x = 439,818 × 439,818
4. Step 4: Simplify right side
   207,568.50x = 193,439,873,124
5. Step 5: Solve for x
   x = 193,439,873,124/207,568.50
6. Step 6: Final answer
   x = 931,932.70