Finding the Third Proportional to 4,157,590 and 8,889,724

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,590 : 8,889,724 = 8,889,724 : x
2. Step 2: Convert to fraction form
   4,157,590/8,889,724 = 8,889,724/x
3. Step 3: Cross multiply
   4,157,590x = 8,889,724 × 8,889,724
4. Step 4: Simplify right side
   4,157,590x = 79,027,192,796,176
5. Step 5: Solve for x
   x = 79,027,192,796,176/4,157,590
6. Step 6: Final answer
   x = 19,007,933.15