Finding the Third Proportional to 48,870 and 73,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,870 : 73,291.50 = 73,291.50 : x
2. Step 2: Convert to fraction form
   48,870/73,291.50 = 73,291.50/x
3. Step 3: Cross multiply
   48,870x = 73,291.50 × 73,291.50
4. Step 4: Simplify right side
   48,870x = 5,371,643,972.25
5. Step 5: Solve for x
   x = 5,371,643,972.25/48,870
6. Step 6: Final answer
   x = 109,917.00