Finding the Third Proportional to 1,002,645.50 and 2,165,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,645.50 : 2,165,078.50 = 2,165,078.50 : x
2. Step 2: Convert to fraction form
   1,002,645.50/2,165,078.50 = 2,165,078.50/x
3. Step 3: Cross multiply
   1,002,645.50x = 2,165,078.50 × 2,165,078.50
4. Step 4: Simplify right side
   1,002,645.50x = 4,687,564,911,162.25
5. Step 5: Solve for x
   x = 4,687,564,911,162.25/1,002,645.50
6. Step 6: Final answer
   x = 4,675,196.68