Finding the Third Proportional to 1,142,830 and 2,488,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,830 : 2,488,840 = 2,488,840 : x
2. Step 2: Convert to fraction form
   1,142,830/2,488,840 = 2,488,840/x
3. Step 3: Cross multiply
   1,142,830x = 2,488,840 × 2,488,840
4. Step 4: Simplify right side
   1,142,830x = 6,194,324,545,600
5. Step 5: Solve for x
   x = 6,194,324,545,600/1,142,830
6. Step 6: Final answer
   x = 5,420,162.71