Finding the Third Proportional to 4,244,730 and 9,161,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,244,730 : 9,161,672 = 9,161,672 : x
2. Step 2: Convert to fraction form
   4,244,730/9,161,672 = 9,161,672/x
3. Step 3: Cross multiply
   4,244,730x = 9,161,672 × 9,161,672
4. Step 4: Simplify right side
   4,244,730x = 83,936,233,835,584
5. Step 5: Solve for x
   x = 83,936,233,835,584/4,244,730
6. Step 6: Final answer
   x = 19,774,222.11