Finding the Third Proportional to 29,648.25 and 64,215

Step by Step Solution

1. Step 1: Write the proportion equation
   29,648.25 : 64,215 = 64,215 : x
2. Step 2: Convert to fraction form
   29,648.25/64,215 = 64,215/x
3. Step 3: Cross multiply
   29,648.25x = 64,215 × 64,215
4. Step 4: Simplify right side
   29,648.25x = 4,123,566,225
5. Step 5: Solve for x
   x = 4,123,566,225/29,648.25
6. Step 6: Final answer
   x = 139,082.96