Finding the Third Proportional to 402,288.50 and 794,310

Step by Step Solution

1. Step 1: Write the proportion equation
   402,288.50 : 794,310 = 794,310 : x
2. Step 2: Convert to fraction form
   402,288.50/794,310 = 794,310/x
3. Step 3: Cross multiply
   402,288.50x = 794,310 × 794,310
4. Step 4: Simplify right side
   402,288.50x = 630,928,376,100
5. Step 5: Solve for x
   x = 630,928,376,100/402,288.50
6. Step 6: Final answer
   x = 1,568,348.03