Finding the Third Proportional to 56,254.50 and 87,218.02

Step by Step Solution

1. Step 1: Write the proportion equation
   56,254.50 : 87,218.02 = 87,218.02 : x
2. Step 2: Convert to fraction form
   56,254.50/87,218.02 = 87,218.02/x
3. Step 3: Cross multiply
   56,254.50x = 87,218.02 × 87,218.02
4. Step 4: Simplify right side
   56,254.50x = 7,606,982,249.56
5. Step 5: Solve for x
   x = 7,606,982,249.56/56,254.50
6. Step 6: Final answer
   x = 135,224.42