Finding the Third Proportional to 34,550 and 71,560

Step by Step Solution

1. Step 1: Write the proportion equation
   34,550 : 71,560 = 71,560 : x
2. Step 2: Convert to fraction form
   34,550/71,560 = 71,560/x
3. Step 3: Cross multiply
   34,550x = 71,560 × 71,560
4. Step 4: Simplify right side
   34,550x = 5,120,833,600
5. Step 5: Solve for x
   x = 5,120,833,600/34,550
6. Step 6: Final answer
   x = 148,215.15