Finding the Third Proportional to 1,869,768 and 4,018,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,768 : 4,018,818 = 4,018,818 : x
2. Step 2: Convert to fraction form
   1,869,768/4,018,818 = 4,018,818/x
3. Step 3: Cross multiply
   1,869,768x = 4,018,818 × 4,018,818
4. Step 4: Simplify right side
   1,869,768x = 16,150,898,117,124
5. Step 5: Solve for x
   x = 16,150,898,117,124/1,869,768
6. Step 6: Final answer
   x = 8,637,915.57