Finding the Third Proportional to 4,434,632 and 9,578,896

Step by Step Solution

1. Step 1: Write the proportion equation
   4,434,632 : 9,578,896 = 9,578,896 : x
2. Step 2: Convert to fraction form
   4,434,632/9,578,896 = 9,578,896/x
3. Step 3: Cross multiply
   4,434,632x = 9,578,896 × 9,578,896
4. Step 4: Simplify right side
   4,434,632x = 91,755,248,578,816
5. Step 5: Solve for x
   x = 91,755,248,578,816/4,434,632
6. Step 6: Final answer
   x = 20,690,611.66