Finding the Third Proportional to 981,512 and 2,117,680

Step by Step Solution

1. Step 1: Write the proportion equation
   981,512 : 2,117,680 = 2,117,680 : x
2. Step 2: Convert to fraction form
   981,512/2,117,680 = 2,117,680/x
3. Step 3: Cross multiply
   981,512x = 2,117,680 × 2,117,680
4. Step 4: Simplify right side
   981,512x = 4,484,568,582,400
5. Step 5: Solve for x
   x = 4,484,568,582,400/981,512
6. Step 6: Final answer
   x = 4,569,041.01