Finding the Third Proportional to 912.91 and 1,947.32

Step by Step Solution

1. Step 1: Write the proportion equation
   912.91 : 1,947.32 = 1,947.32 : x
2. Step 2: Convert to fraction form
   912.91/1,947.32 = 1,947.32/x
3. Step 3: Cross multiply
   912.91x = 1,947.32 × 1,947.32
4. Step 4: Simplify right side
   912.91x = 3,792,064.01
5. Step 5: Solve for x
   x = 3,792,064.01/912.91
6. Step 6: Final answer
   x = 4,153.82