Finding the Third Proportional to 589,107 and 921,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,107 : 921,568.50 = 921,568.50 : x
2. Step 2: Convert to fraction form
   589,107/921,568.50 = 921,568.50/x
3. Step 3: Cross multiply
   589,107x = 921,568.50 × 921,568.50
4. Step 4: Simplify right side
   589,107x = 849,288,500,192.25
5. Step 5: Solve for x
   x = 849,288,500,192.25/589,107
6. Step 6: Final answer
   x = 1,441,654.06