Finding the Third Proportional to 615,616 and 925,208

Step by Step Solution

1. Step 1: Write the proportion equation
   615,616 : 925,208 = 925,208 : x
2. Step 2: Convert to fraction form
   615,616/925,208 = 925,208/x
3. Step 3: Cross multiply
   615,616x = 925,208 × 925,208
4. Step 4: Simplify right side
   615,616x = 856,009,843,264
5. Step 5: Solve for x
   x = 856,009,843,264/615,616
6. Step 6: Final answer
   x = 1,390,493.17