Finding the Third Proportional to 103,426.88 and 222,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,426.88 : 222,686.72 = 222,686.72 : x
2. Step 2: Convert to fraction form
   103,426.88/222,686.72 = 222,686.72/x
3. Step 3: Cross multiply
   103,426.88x = 222,686.72 × 222,686.72
4. Step 4: Simplify right side
   103,426.88x = 49,589,374,707.64
5. Step 5: Solve for x
   x = 49,589,374,707.64/103,426.88
6. Step 6: Final answer
   x = 479,463.14