Finding the Third Proportional to 74,888.25 and 113,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,888.25 : 113,870.25 = 113,870.25 : x
2. Step 2: Convert to fraction form
   74,888.25/113,870.25 = 113,870.25/x
3. Step 3: Cross multiply
   74,888.25x = 113,870.25 × 113,870.25
4. Step 4: Simplify right side
   74,888.25x = 12,966,433,835.06
5. Step 5: Solve for x
   x = 12,966,433,835.06/74,888.25
6. Step 6: Final answer
   x = 173,143.77