Finding the Third Proportional to 56,956.50 and 86,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,956.50 : 86,123.25 = 86,123.25 : x
2. Step 2: Convert to fraction form
   56,956.50/86,123.25 = 86,123.25/x
3. Step 3: Cross multiply
   56,956.50x = 86,123.25 × 86,123.25
4. Step 4: Simplify right side
   56,956.50x = 7,417,214,190.56
5. Step 5: Solve for x
   x = 7,417,214,190.56/56,956.50
6. Step 6: Final answer
   x = 130,225.95