Finding the Third Proportional to 2,612,920.78 and 5,626,267.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,920.78 : 5,626,267.59 = 5,626,267.59 : x
2. Step 2: Convert to fraction form
   2,612,920.78/5,626,267.59 = 5,626,267.59/x
3. Step 3: Cross multiply
   2,612,920.78x = 5,626,267.59 × 5,626,267.59
4. Step 4: Simplify right side
   2,612,920.78x = 31,654,887,036,481.41
5. Step 5: Solve for x
   x = 31,654,887,036,481.41/2,612,920.78
6. Step 6: Final answer
   x = 12,114,751.91