Finding the Third Proportional to 30,324 and 63,789

Step by Step Solution

1. Step 1: Write the proportion equation
   30,324 : 63,789 = 63,789 : x
2. Step 2: Convert to fraction form
   30,324/63,789 = 63,789/x
3. Step 3: Cross multiply
   30,324x = 63,789 × 63,789
4. Step 4: Simplify right side
   30,324x = 4,069,036,521
5. Step 5: Solve for x
   x = 4,069,036,521/30,324
6. Step 6: Final answer
   x = 134,185.35