Finding the Third Proportional to 48,215.25 and 64,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,215.25 : 64,003.50 = 64,003.50 : x
2. Step 2: Convert to fraction form
   48,215.25/64,003.50 = 64,003.50/x
3. Step 3: Cross multiply
   48,215.25x = 64,003.50 × 64,003.50
4. Step 4: Simplify right side
   48,215.25x = 4,096,448,012.25
5. Step 5: Solve for x
   x = 4,096,448,012.25/48,215.25
6. Step 6: Final answer
   x = 84,961.67