Finding the Third Proportional to 56,395.50 and 87,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,395.50 : 87,185.25 = 87,185.25 : x
2. Step 2: Convert to fraction form
   56,395.50/87,185.25 = 87,185.25/x
3. Step 3: Cross multiply
   56,395.50x = 87,185.25 × 87,185.25
4. Step 4: Simplify right side
   56,395.50x = 7,601,267,817.56
5. Step 5: Solve for x
   x = 7,601,267,817.56/56,395.50
6. Step 6: Final answer
   x = 134,785.01