Finding the Third Proportional to 112,111.50 and 166,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,111.50 : 166,570.50 = 166,570.50 : x
2. Step 2: Convert to fraction form
   112,111.50/166,570.50 = 166,570.50/x
3. Step 3: Cross multiply
   112,111.50x = 166,570.50 × 166,570.50
4. Step 4: Simplify right side
   112,111.50x = 27,745,731,470.25
5. Step 5: Solve for x
   x = 27,745,731,470.25/112,111.50
6. Step 6: Final answer
   x = 247,483.37