Finding the Third Proportional to 27,120.38 and 56,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,120.38 : 56,290.50 = 56,290.50 : x
2. Step 2: Convert to fraction form
   27,120.38/56,290.50 = 56,290.50/x
3. Step 3: Cross multiply
   27,120.38x = 56,290.50 × 56,290.50
4. Step 4: Simplify right side
   27,120.38x = 3,168,620,390.25
5. Step 5: Solve for x
   x = 3,168,620,390.25/27,120.38
6. Step 6: Final answer
   x = 116,835.42