Finding the Third Proportional to 4,157,468 and 8,889,488

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,468 : 8,889,488 = 8,889,488 : x
2. Step 2: Convert to fraction form
   4,157,468/8,889,488 = 8,889,488/x
3. Step 3: Cross multiply
   4,157,468x = 8,889,488 × 8,889,488
4. Step 4: Simplify right side
   4,157,468x = 79,022,996,902,144
5. Step 5: Solve for x
   x = 79,022,996,902,144/4,157,468
6. Step 6: Final answer
   x = 19,007,481.69