Finding the Third Proportional to 56,461.50 and 87,477.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,461.50 : 87,477.75 = 87,477.75 : x
2. Step 2: Convert to fraction form
   56,461.50/87,477.75 = 87,477.75/x
3. Step 3: Cross multiply
   56,461.50x = 87,477.75 × 87,477.75
4. Step 4: Simplify right side
   56,461.50x = 7,652,356,745.06
5. Step 5: Solve for x
   x = 7,652,356,745.06/56,461.50
6. Step 6: Final answer
   x = 135,532.30