Finding the Third Proportional to 3,634,409 and 5,626,863

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,409 : 5,626,863 = 5,626,863 : x
2. Step 2: Convert to fraction form
   3,634,409/5,626,863 = 5,626,863/x
3. Step 3: Cross multiply
   3,634,409x = 5,626,863 × 5,626,863
4. Step 4: Simplify right side
   3,634,409x = 31,661,587,220,769
5. Step 5: Solve for x
   x = 31,661,587,220,769/3,634,409
6. Step 6: Final answer
   x = 8,711,619.20