Finding the Third Proportional to 47,521.25 and 64,145.75

Step by Step Solution

1. Step 1: Write the proportion equation
   47,521.25 : 64,145.75 = 64,145.75 : x
2. Step 2: Convert to fraction form
   47,521.25/64,145.75 = 64,145.75/x
3. Step 3: Cross multiply
   47,521.25x = 64,145.75 × 64,145.75
4. Step 4: Simplify right side
   47,521.25x = 4,114,677,243.06
5. Step 5: Solve for x
   x = 4,114,677,243.06/47,521.25
6. Step 6: Final answer
   x = 86,586.05