Finding the Third Proportional to 3,216,613 and 7,072,924

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216,613 : 7,072,924 = 7,072,924 : x
2. Step 2: Convert to fraction form
   3,216,613/7,072,924 = 7,072,924/x
3. Step 3: Cross multiply
   3,216,613x = 7,072,924 × 7,072,924
4. Step 4: Simplify right side
   3,216,613x = 50,026,253,909,776
5. Step 5: Solve for x
   x = 50,026,253,909,776/3,216,613
6. Step 6: Final answer
   x = 15,552,462.76