Finding the Third Proportional to 749,830 and 1,617,758

Step by Step Solution

1. Step 1: Write the proportion equation
   749,830 : 1,617,758 = 1,617,758 : x
2. Step 2: Convert to fraction form
   749,830/1,617,758 = 1,617,758/x
3. Step 3: Cross multiply
   749,830x = 1,617,758 × 1,617,758
4. Step 4: Simplify right side
   749,830x = 2,617,140,946,564
5. Step 5: Solve for x
   x = 2,617,140,946,564/749,830
6. Step 6: Final answer
   x = 3,490,312.40