Finding the Third Proportional to 580,456.50 and 896,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   580,456.50 : 896,953.50 = 896,953.50 : x
2. Step 2: Convert to fraction form
   580,456.50/896,953.50 = 896,953.50/x
3. Step 3: Cross multiply
   580,456.50x = 896,953.50 × 896,953.50
4. Step 4: Simplify right side
   580,456.50x = 804,525,581,162.25
5. Step 5: Solve for x
   x = 804,525,581,162.25/580,456.50
6. Step 6: Final answer
   x = 1,386,022.18