Finding the Third Proportional to 11,963,128 and 17,940,300

Step by Step Solution

1. Step 1: Write the proportion equation
   11,963,128 : 17,940,300 = 17,940,300 : x
2. Step 2: Convert to fraction form
   11,963,128/17,940,300 = 17,940,300/x
3. Step 3: Cross multiply
   11,963,128x = 17,940,300 × 17,940,300
4. Step 4: Simplify right side
   11,963,128x = 321,854,364,090,000
5. Step 5: Solve for x
   x = 321,854,364,090,000/11,963,128
6. Step 6: Final answer
   x = 26,903,863.61