Finding the Third Proportional to 758,139 and 1,649,139

Step by Step Solution

1. Step 1: Write the proportion equation
   758,139 : 1,649,139 = 1,649,139 : x
2. Step 2: Convert to fraction form
   758,139/1,649,139 = 1,649,139/x
3. Step 3: Cross multiply
   758,139x = 1,649,139 × 1,649,139
4. Step 4: Simplify right side
   758,139x = 2,719,659,441,321
5. Step 5: Solve for x
   x = 2,719,659,441,321/758,139
6. Step 6: Final answer
   x = 3,587,283.39