Finding the Third Proportional to 578,359 and 1,226,700

Step by Step Solution

1. Step 1: Write the proportion equation
   578,359 : 1,226,700 = 1,226,700 : x
2. Step 2: Convert to fraction form
   578,359/1,226,700 = 1,226,700/x
3. Step 3: Cross multiply
   578,359x = 1,226,700 × 1,226,700
4. Step 4: Simplify right side
   578,359x = 1,504,792,890,000
5. Step 5: Solve for x
   x = 1,504,792,890,000/578,359
6. Step 6: Final answer
   x = 2,601,831.89