Finding the Third Proportional to 492,178.50 and 1,023,644.25

Step by Step Solution

1. Step 1: Write the proportion equation
   492,178.50 : 1,023,644.25 = 1,023,644.25 : x
2. Step 2: Convert to fraction form
   492,178.50/1,023,644.25 = 1,023,644.25/x
3. Step 3: Cross multiply
   492,178.50x = 1,023,644.25 × 1,023,644.25
4. Step 4: Simplify right side
   492,178.50x = 1,047,847,550,558.06
5. Step 5: Solve for x
   x = 1,047,847,550,558.06/492,178.50
6. Step 6: Final answer
   x = 2,128,999.03