Finding the Third Proportional to 474,418 and 1,042,140

Step by Step Solution

1. Step 1: Write the proportion equation
   474,418 : 1,042,140 = 1,042,140 : x
2. Step 2: Convert to fraction form
   474,418/1,042,140 = 1,042,140/x
3. Step 3: Cross multiply
   474,418x = 1,042,140 × 1,042,140
4. Step 4: Simplify right side
   474,418x = 1,086,055,779,600
5. Step 5: Solve for x
   x = 1,086,055,779,600/474,418
6. Step 6: Final answer
   x = 2,289,238.14