Finding the Third Proportional to 981,504 and 2,117,664

Step by Step Solution

1. Step 1: Write the proportion equation
   981,504 : 2,117,664 = 2,117,664 : x
2. Step 2: Convert to fraction form
   981,504/2,117,664 = 2,117,664/x
3. Step 3: Cross multiply
   981,504x = 2,117,664 × 2,117,664
4. Step 4: Simplify right side
   981,504x = 4,484,500,816,896
5. Step 5: Solve for x
   x = 4,484,500,816,896/981,504
6. Step 6: Final answer
   x = 4,569,009.21