Finding the Third Proportional to 4,163,338 and 8,876,342

Step by Step Solution

1. Step 1: Write the proportion equation
   4,163,338 : 8,876,342 = 8,876,342 : x
2. Step 2: Convert to fraction form
   4,163,338/8,876,342 = 8,876,342/x
3. Step 3: Cross multiply
   4,163,338x = 8,876,342 × 8,876,342
4. Step 4: Simplify right side
   4,163,338x = 78,789,447,300,964
5. Step 5: Solve for x
   x = 78,789,447,300,964/4,163,338
6. Step 6: Final answer
   x = 18,924,585.83