Finding the Third Proportional to 1,877,979 and 4,047,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877,979 : 4,047,990 = 4,047,990 : x
2. Step 2: Convert to fraction form
   1,877,979/4,047,990 = 4,047,990/x
3. Step 3: Cross multiply
   1,877,979x = 4,047,990 × 4,047,990
4. Step 4: Simplify right side
   1,877,979x = 16,386,223,040,100
5. Step 5: Solve for x
   x = 16,386,223,040,100/1,877,979
6. Step 6: Final answer
   x = 8,725,455.95