Finding the Third Proportional to 981,636 and 2,076,432

Step by Step Solution

1. Step 1: Write the proportion equation
   981,636 : 2,076,432 = 2,076,432 : x
2. Step 2: Convert to fraction form
   981,636/2,076,432 = 2,076,432/x
3. Step 3: Cross multiply
   981,636x = 2,076,432 × 2,076,432
4. Step 4: Simplify right side
   981,636x = 4,311,569,850,624
5. Step 5: Solve for x
   x = 4,311,569,850,624/981,636
6. Step 6: Final answer
   x = 4,392,228.74