Finding the Third Proportional to 32,911.31 and 71,411.63

Step by Step Solution

1. Step 1: Write the proportion equation
   32,911.31 : 71,411.63 = 71,411.63 : x
2. Step 2: Convert to fraction form
   32,911.31/71,411.63 = 71,411.63/x
3. Step 3: Cross multiply
   32,911.31x = 71,411.63 × 71,411.63
4. Step 4: Simplify right side
   32,911.31x = 5,099,620,185.14
5. Step 5: Solve for x
   x = 5,099,620,185.14/32,911.31
6. Step 6: Final answer
   x = 154,950.37