Finding the Third Proportional to 1,865,416 and 4,016,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,416 : 4,016,222 = 4,016,222 : x
2. Step 2: Convert to fraction form
   1,865,416/4,016,222 = 4,016,222/x
3. Step 3: Cross multiply
   1,865,416x = 4,016,222 × 4,016,222
4. Step 4: Simplify right side
   1,865,416x = 16,130,039,153,284
5. Step 5: Solve for x
   x = 16,130,039,153,284/1,865,416
6. Step 6: Final answer
   x = 8,646,885.82