Finding the Third Proportional to 4,157,470 and 8,889,498

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,470 : 8,889,498 = 8,889,498 : x
2. Step 2: Convert to fraction form
   4,157,470/8,889,498 = 8,889,498/x
3. Step 3: Cross multiply
   4,157,470x = 8,889,498 × 8,889,498
4. Step 4: Simplify right side
   4,157,470x = 79,023,174,692,004
5. Step 5: Solve for x
   x = 79,023,174,692,004/4,157,470
6. Step 6: Final answer
   x = 19,007,515.31