Finding the Third Proportional to 4,029,986 and 8,514,838

Step by Step Solution

1. Step 1: Write the proportion equation
   4,029,986 : 8,514,838 = 8,514,838 : x
2. Step 2: Convert to fraction form
   4,029,986/8,514,838 = 8,514,838/x
3. Step 3: Cross multiply
   4,029,986x = 8,514,838 × 8,514,838
4. Step 4: Simplify right side
   4,029,986x = 72,502,466,166,244
5. Step 5: Solve for x
   x = 72,502,466,166,244/4,029,986
6. Step 6: Final answer
   x = 17,990,748.89