Finding the Third Proportional to 15,777.75 and 34,470

Step by Step Solution

1. Step 1: Write the proportion equation
   15,777.75 : 34,470 = 34,470 : x
2. Step 2: Convert to fraction form
   15,777.75/34,470 = 34,470/x
3. Step 3: Cross multiply
   15,777.75x = 34,470 × 34,470
4. Step 4: Simplify right side
   15,777.75x = 1,188,180,900
5. Step 5: Solve for x
   x = 1,188,180,900/15,777.75
6. Step 6: Final answer
   x = 75,307.37