Finding the Third Proportional to 41,478 and 64,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,478 : 64,330.50 = 64,330.50 : x
2. Step 2: Convert to fraction form
   41,478/64,330.50 = 64,330.50/x
3. Step 3: Cross multiply
   41,478x = 64,330.50 × 64,330.50
4. Step 4: Simplify right side
   41,478x = 4,138,413,230.25
5. Step 5: Solve for x
   x = 4,138,413,230.25/41,478
6. Step 6: Final answer
   x = 99,773.69