Finding the Third Proportional to 56,143.13 and 84,207.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,143.13 : 84,207.94 = 84,207.94 : x
2. Step 2: Convert to fraction form
   56,143.13/84,207.94 = 84,207.94/x
3. Step 3: Cross multiply
   56,143.13x = 84,207.94 × 84,207.94
4. Step 4: Simplify right side
   56,143.13x = 7,090,976,738.00
5. Step 5: Solve for x
   x = 7,090,976,738.00/56,143.13
6. Step 6: Final answer
   x = 126,301.78