Finding the Third Proportional to 10,189,936 and 14,864,828

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189,936 : 14,864,828 = 14,864,828 : x
2. Step 2: Convert to fraction form
   10,189,936/14,864,828 = 14,864,828/x
3. Step 3: Cross multiply
   10,189,936x = 14,864,828 × 14,864,828
4. Step 4: Simplify right side
   10,189,936x = 220,963,111,469,584
5. Step 5: Solve for x
   x = 220,963,111,469,584/10,189,936
6. Step 6: Final answer
   x = 21,684,445.46