Finding the Third Proportional to 579,207 and 896,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   579,207 : 896,836.50 = 896,836.50 : x
2. Step 2: Convert to fraction form
   579,207/896,836.50 = 896,836.50/x
3. Step 3: Cross multiply
   579,207x = 896,836.50 × 896,836.50
4. Step 4: Simplify right side
   579,207x = 804,315,707,732.25
5. Step 5: Solve for x
   x = 804,315,707,732.25/579,207
6. Step 6: Final answer
   x = 1,388,649.84