Finding the Third Proportional to 1,555,011 and 2,398,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,011 : 2,398,780.50 = 2,398,780.50 : x
2. Step 2: Convert to fraction form
   1,555,011/2,398,780.50 = 2,398,780.50/x
3. Step 3: Cross multiply
   1,555,011x = 2,398,780.50 × 2,398,780.50
4. Step 4: Simplify right side
   1,555,011x = 5,754,147,887,180.25
5. Step 5: Solve for x
   x = 5,754,147,887,180.25/1,555,011
6. Step 6: Final answer
   x = 3,700,390.47