Finding the Third Proportional to 3,706,613 and 8,121,802

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706,613 : 8,121,802 = 8,121,802 : x
2. Step 2: Convert to fraction form
   3,706,613/8,121,802 = 8,121,802/x
3. Step 3: Cross multiply
   3,706,613x = 8,121,802 × 8,121,802
4. Step 4: Simplify right side
   3,706,613x = 65,963,667,727,204
5. Step 5: Solve for x
   x = 65,963,667,727,204/3,706,613
6. Step 6: Final answer
   x = 17,796,211.18