Finding the Third Proportional to 655,360 and 1,390,032

Step by Step Solution

1. Step 1: Write the proportion equation
   655,360 : 1,390,032 = 1,390,032 : x
2. Step 2: Convert to fraction form
   655,360/1,390,032 = 1,390,032/x
3. Step 3: Cross multiply
   655,360x = 1,390,032 × 1,390,032
4. Step 4: Simplify right side
   655,360x = 1,932,188,961,024
5. Step 5: Solve for x
   x = 1,932,188,961,024/655,360
6. Step 6: Final answer
   x = 2,948,286.38