Finding the Third Proportional to 53,870.06 and 109,278.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,870.06 : 109,278.56 = 109,278.56 : x
2. Step 2: Convert to fraction form
   53,870.06/109,278.56 = 109,278.56/x
3. Step 3: Cross multiply
   53,870.06x = 109,278.56 × 109,278.56
4. Step 4: Simplify right side
   53,870.06x = 11,941,804,222.07
5. Step 5: Solve for x
   x = 11,941,804,222.07/53,870.06
6. Step 6: Final answer
   x = 221,677.94