Finding the Third Proportional to 615,636 and 925,236

Step by Step Solution

1. Step 1: Write the proportion equation
   615,636 : 925,236 = 925,236 : x
2. Step 2: Convert to fraction form
   615,636/925,236 = 925,236/x
3. Step 3: Cross multiply
   615,636x = 925,236 × 925,236
4. Step 4: Simplify right side
   615,636x = 856,061,655,696
5. Step 5: Solve for x
   x = 856,061,655,696/615,636
6. Step 6: Final answer
   x = 1,390,532.16