Finding the Third Proportional to 3,254,918 and 7,129,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,254,918 : 7,129,888 = 7,129,888 : x
2. Step 2: Convert to fraction form
   3,254,918/7,129,888 = 7,129,888/x
3. Step 3: Cross multiply
   3,254,918x = 7,129,888 × 7,129,888
4. Step 4: Simplify right side
   3,254,918x = 50,835,302,892,544
5. Step 5: Solve for x
   x = 50,835,302,892,544/3,254,918
6. Step 6: Final answer
   x = 15,617,998.02