Finding the Third Proportional to 546,178.50 and 835,900

Step by Step Solution

1. Step 1: Write the proportion equation
   546,178.50 : 835,900 = 835,900 : x
2. Step 2: Convert to fraction form
   546,178.50/835,900 = 835,900/x
3. Step 3: Cross multiply
   546,178.50x = 835,900 × 835,900
4. Step 4: Simplify right side
   546,178.50x = 698,728,810,000
5. Step 5: Solve for x
   x = 698,728,810,000/546,178.50
6. Step 6: Final answer
   x = 1,279,304.86