Finding the Third Proportional to 3,289,912 and 7,615,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,289,912 : 7,615,672 = 7,615,672 : x
2. Step 2: Convert to fraction form
   3,289,912/7,615,672 = 7,615,672/x
3. Step 3: Cross multiply
   3,289,912x = 7,615,672 × 7,615,672
4. Step 4: Simplify right side
   3,289,912x = 57,998,460,011,584
5. Step 5: Solve for x
   x = 57,998,460,011,584/3,289,912
6. Step 6: Final answer
   x = 17,629,182.79