Finding the Third Proportional to 316,744.50 and 704,319

Step by Step Solution

1. Step 1: Write the proportion equation
   316,744.50 : 704,319 = 704,319 : x
2. Step 2: Convert to fraction form
   316,744.50/704,319 = 704,319/x
3. Step 3: Cross multiply
   316,744.50x = 704,319 × 704,319
4. Step 4: Simplify right side
   316,744.50x = 496,065,253,761
5. Step 5: Solve for x
   x = 496,065,253,761/316,744.50
6. Step 6: Final answer
   x = 1,566,136.91