Finding the Third Proportional to 8,611,434 and 13,333,896

Step by Step Solution

1. Step 1: Write the proportion equation
   8,611,434 : 13,333,896 = 13,333,896 : x
2. Step 2: Convert to fraction form
   8,611,434/13,333,896 = 13,333,896/x
3. Step 3: Cross multiply
   8,611,434x = 13,333,896 × 13,333,896
4. Step 4: Simplify right side
   8,611,434x = 177,792,782,538,816
5. Step 5: Solve for x
   x = 177,792,782,538,816/8,611,434
6. Step 6: Final answer
   x = 20,646,129.62