Finding the Third Proportional to 47,021.50 and 63,789

Step by Step Solution

1. Step 1: Write the proportion equation
   47,021.50 : 63,789 = 63,789 : x
2. Step 2: Convert to fraction form
   47,021.50/63,789 = 63,789/x
3. Step 3: Cross multiply
   47,021.50x = 63,789 × 63,789
4. Step 4: Simplify right side
   47,021.50x = 4,069,036,521
5. Step 5: Solve for x
   x = 4,069,036,521/47,021.50
6. Step 6: Final answer
   x = 86,535.66