Finding the Third Proportional to 47,875.50 and 64,401.75

Step by Step Solution

1. Step 1: Write the proportion equation
   47,875.50 : 64,401.75 = 64,401.75 : x
2. Step 2: Convert to fraction form
   47,875.50/64,401.75 = 64,401.75/x
3. Step 3: Cross multiply
   47,875.50x = 64,401.75 × 64,401.75
4. Step 4: Simplify right side
   47,875.50x = 4,147,585,403.06
5. Step 5: Solve for x
   x = 4,147,585,403.06/47,875.50
6. Step 6: Final answer
   x = 86,632.73