Finding the Third Proportional to 47,271.09 and 69,972.61

Step by Step Solution

1. Step 1: Write the proportion equation
   47,271.09 : 69,972.61 = 69,972.61 : x
2. Step 2: Convert to fraction form
   47,271.09/69,972.61 = 69,972.61/x
3. Step 3: Cross multiply
   47,271.09x = 69,972.61 × 69,972.61
4. Step 4: Simplify right side
   47,271.09x = 4,896,166,062.75
5. Step 5: Solve for x
   x = 4,896,166,062.75/47,271.09
6. Step 6: Final answer
   x = 103,576.32