Finding the Third Proportional to 4,047,210 and 8,668,222

Step by Step Solution

1. Step 1: Write the proportion equation
   4,047,210 : 8,668,222 = 8,668,222 : x
2. Step 2: Convert to fraction form
   4,047,210/8,668,222 = 8,668,222/x
3. Step 3: Cross multiply
   4,047,210x = 8,668,222 × 8,668,222
4. Step 4: Simplify right side
   4,047,210x = 75,138,072,641,284
5. Step 5: Solve for x
   x = 75,138,072,641,284/4,047,210
6. Step 6: Final answer
   x = 18,565,400.03