Finding the Third Proportional to 438,418 and 1,024,342

Step by Step Solution

1. Step 1: Write the proportion equation
   438,418 : 1,024,342 = 1,024,342 : x
2. Step 2: Convert to fraction form
   438,418/1,024,342 = 1,024,342/x
3. Step 3: Cross multiply
   438,418x = 1,024,342 × 1,024,342
4. Step 4: Simplify right side
   438,418x = 1,049,276,532,964
5. Step 5: Solve for x
   x = 1,049,276,532,964/438,418
6. Step 6: Final answer
   x = 2,393,324.48