Finding the Third Proportional to 4,157,624 and 8,889,792

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,624 : 8,889,792 = 8,889,792 : x
2. Step 2: Convert to fraction form
   4,157,624/8,889,792 = 8,889,792/x
3. Step 3: Cross multiply
   4,157,624x = 8,889,792 × 8,889,792
4. Step 4: Simplify right side
   4,157,624x = 79,028,401,803,264
5. Step 5: Solve for x
   x = 79,028,401,803,264/4,157,624
6. Step 6: Final answer
   x = 19,008,068.50