Finding the Third Proportional to 56,143.50 and 84,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,143.50 : 84,443.06 = 84,443.06 : x
2. Step 2: Convert to fraction form
   56,143.50/84,443.06 = 84,443.06/x
3. Step 3: Cross multiply
   56,143.50x = 84,443.06 × 84,443.06
4. Step 4: Simplify right side
   56,143.50x = 7,130,630,804.38
5. Step 5: Solve for x
   x = 7,130,630,804.38/56,143.50
6. Step 6: Final answer
   x = 127,007.24