Finding the Third Proportional to 48,720 and 73,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,720 : 73,606.50 = 73,606.50 : x
2. Step 2: Convert to fraction form
   48,720/73,606.50 = 73,606.50/x
3. Step 3: Cross multiply
   48,720x = 73,606.50 × 73,606.50
4. Step 4: Simplify right side
   48,720x = 5,417,916,842.25
5. Step 5: Solve for x
   x = 5,417,916,842.25/48,720
6. Step 6: Final answer
   x = 111,205.19