Finding the Third Proportional to 17,886.66 and 38,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.66 : 38,848.78 = 38,848.78 : x
2. Step 2: Convert to fraction form
   17,886.66/38,848.78 = 38,848.78/x
3. Step 3: Cross multiply
   17,886.66x = 38,848.78 × 38,848.78
4. Step 4: Simplify right side
   17,886.66x = 1,509,227,804.61
5. Step 5: Solve for x
   x = 1,509,227,804.61/17,886.66
6. Step 6: Final answer
   x = 84,377.30