Finding the Third Proportional to 615,509 and 962,144

Step by Step Solution

1. Step 1: Write the proportion equation
   615,509 : 962,144 = 962,144 : x
2. Step 2: Convert to fraction form
   615,509/962,144 = 962,144/x
3. Step 3: Cross multiply
   615,509x = 962,144 × 962,144
4. Step 4: Simplify right side
   615,509x = 925,721,076,736
5. Step 5: Solve for x
   x = 925,721,076,736/615,509
6. Step 6: Final answer
   x = 1,503,992.76