Finding the Third Proportional to 4,157,616 and 8,889,776

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,616 : 8,889,776 = 8,889,776 : x
2. Step 2: Convert to fraction form
   4,157,616/8,889,776 = 8,889,776/x
3. Step 3: Cross multiply
   4,157,616x = 8,889,776 × 8,889,776
4. Step 4: Simplify right side
   4,157,616x = 79,028,117,330,176
5. Step 5: Solve for x
   x = 79,028,117,330,176/4,157,616
6. Step 6: Final answer
   x = 19,008,036.66