Finding the Third Proportional to 6,411,432 and 13,538,256

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411,432 : 13,538,256 = 13,538,256 : x
2. Step 2: Convert to fraction form
   6,411,432/13,538,256 = 13,538,256/x
3. Step 3: Cross multiply
   6,411,432x = 13,538,256 × 13,538,256
4. Step 4: Simplify right side
   6,411,432x = 183,284,375,521,536
5. Step 5: Solve for x
   x = 183,284,375,521,536/6,411,432
6. Step 6: Final answer
   x = 28,587,119.93