Finding the Third Proportional to 1,066,139 and 2,516,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,139 : 2,516,780 = 2,516,780 : x
2. Step 2: Convert to fraction form
   1,066,139/2,516,780 = 2,516,780/x
3. Step 3: Cross multiply
   1,066,139x = 2,516,780 × 2,516,780
4. Step 4: Simplify right side
   1,066,139x = 6,334,181,568,400
5. Step 5: Solve for x
   x = 6,334,181,568,400/1,066,139
6. Step 6: Final answer
   x = 5,941,234.27