Finding the Third Proportional to 56,503.75 and 87,546.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,503.75 : 87,546.25 = 87,546.25 : x
2. Step 2: Convert to fraction form
   56,503.75/87,546.25 = 87,546.25/x
3. Step 3: Cross multiply
   56,503.75x = 87,546.25 × 87,546.25
4. Step 4: Simplify right side
   56,503.75x = 7,664,345,889.06
5. Step 5: Solve for x
   x = 7,664,345,889.06/56,503.75
6. Step 6: Final answer
   x = 135,643.14