Finding the Third Proportional to 56,800.50 and 88,201.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,800.50 : 88,201.50 = 88,201.50 : x
2. Step 2: Convert to fraction form
   56,800.50/88,201.50 = 88,201.50/x
3. Step 3: Cross multiply
   56,800.50x = 88,201.50 × 88,201.50
4. Step 4: Simplify right side
   56,800.50x = 7,779,504,602.25
5. Step 5: Solve for x
   x = 7,779,504,602.25/56,800.50
6. Step 6: Final answer
   x = 136,961.90