Finding the Third Proportional to 316,864.50 and 704,574

Step by Step Solution

1. Step 1: Write the proportion equation
   316,864.50 : 704,574 = 704,574 : x
2. Step 2: Convert to fraction form
   316,864.50/704,574 = 704,574/x
3. Step 3: Cross multiply
   316,864.50x = 704,574 × 704,574
4. Step 4: Simplify right side
   316,864.50x = 496,424,521,476
5. Step 5: Solve for x
   x = 496,424,521,476/316,864.50
6. Step 6: Final answer
   x = 1,566,677.62