Finding the Third Proportional to 316,861.50 and 704,562

Step by Step Solution

1. Step 1: Write the proportion equation
   316,861.50 : 704,562 = 704,562 : x
2. Step 2: Convert to fraction form
   316,861.50/704,562 = 704,562/x
3. Step 3: Cross multiply
   316,861.50x = 704,562 × 704,562
4. Step 4: Simplify right side
   316,861.50x = 496,407,611,844
5. Step 5: Solve for x
   x = 496,407,611,844/316,861.50
6. Step 6: Final answer
   x = 1,566,639.09