Finding the Third Proportional to 48,917 and 69,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,917 : 69,764.50 = 69,764.50 : x
2. Step 2: Convert to fraction form
   48,917/69,764.50 = 69,764.50/x
3. Step 3: Cross multiply
   48,917x = 69,764.50 × 69,764.50
4. Step 4: Simplify right side
   48,917x = 4,867,085,460.25
5. Step 5: Solve for x
   x = 4,867,085,460.25/48,917
6. Step 6: Final answer
   x = 99,496.81