Finding the Third Proportional to 11,438,496 and 17,665,128

Step by Step Solution

1. Step 1: Write the proportion equation
   11,438,496 : 17,665,128 = 17,665,128 : x
2. Step 2: Convert to fraction form
   11,438,496/17,665,128 = 17,665,128/x
3. Step 3: Cross multiply
   11,438,496x = 17,665,128 × 17,665,128
4. Step 4: Simplify right side
   11,438,496x = 312,056,747,256,384
5. Step 5: Solve for x
   x = 312,056,747,256,384/11,438,496
6. Step 6: Final answer
   x = 27,281,274.33