Finding the Third Proportional to 20,488.88 and 30,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,488.88 : 30,877.50 = 30,877.50 : x
2. Step 2: Convert to fraction form
   20,488.88/30,877.50 = 30,877.50/x
3. Step 3: Cross multiply
   20,488.88x = 30,877.50 × 30,877.50
4. Step 4: Simplify right side
   20,488.88x = 953,420,006.25
5. Step 5: Solve for x
   x = 953,420,006.25/20,488.88
6. Step 6: Final answer
   x = 46,533.55