Finding the Third Proportional to 758,128 and 1,649,116

Step by Step Solution

1. Step 1: Write the proportion equation
   758,128 : 1,649,116 = 1,649,116 : x
2. Step 2: Convert to fraction form
   758,128/1,649,116 = 1,649,116/x
3. Step 3: Cross multiply
   758,128x = 1,649,116 × 1,649,116
4. Step 4: Simplify right side
   758,128x = 2,719,583,581,456
5. Step 5: Solve for x
   x = 2,719,583,581,456/758,128
6. Step 6: Final answer
   x = 3,587,235.38