Finding the Third Proportional to 1,863,768 and 4,076,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,768 : 4,076,478 = 4,076,478 : x
2. Step 2: Convert to fraction form
   1,863,768/4,076,478 = 4,076,478/x
3. Step 3: Cross multiply
   1,863,768x = 4,076,478 × 4,076,478
4. Step 4: Simplify right side
   1,863,768x = 16,617,672,884,484
5. Step 5: Solve for x
   x = 16,617,672,884,484/1,863,768
6. Step 6: Final answer
   x = 8,916,170.30