Finding the Third Proportional to 589,105 and 921,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,105 : 921,565.50 = 921,565.50 : x
2. Step 2: Convert to fraction form
   589,105/921,565.50 = 921,565.50/x
3. Step 3: Cross multiply
   589,105x = 921,565.50 × 921,565.50
4. Step 4: Simplify right side
   589,105x = 849,282,970,790.25
5. Step 5: Solve for x
   x = 849,282,970,790.25/589,105
6. Step 6: Final answer
   x = 1,441,649.57