Finding the Third Proportional to 6,128,904 and 12,432,912

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128,904 : 12,432,912 = 12,432,912 : x
2. Step 2: Convert to fraction form
   6,128,904/12,432,912 = 12,432,912/x
3. Step 3: Cross multiply
   6,128,904x = 12,432,912 × 12,432,912
4. Step 4: Simplify right side
   6,128,904x = 154,577,300,799,744
5. Step 5: Solve for x
   x = 154,577,300,799,744/6,128,904
6. Step 6: Final answer
   x = 25,221,034.76