Finding the Third Proportional to 4,244,736 and 9,161,688

Step by Step Solution

1. Step 1: Write the proportion equation
   4,244,736 : 9,161,688 = 9,161,688 : x
2. Step 2: Convert to fraction form
   4,244,736/9,161,688 = 9,161,688/x
3. Step 3: Cross multiply
   4,244,736x = 9,161,688 × 9,161,688
4. Step 4: Simplify right side
   4,244,736x = 83,936,527,009,344
5. Step 5: Solve for x
   x = 83,936,527,009,344/4,244,736
6. Step 6: Final answer
   x = 19,774,263.23