Finding the Third Proportional to 4,818,208 and 9,514,560

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818,208 : 9,514,560 = 9,514,560 : x
2. Step 2: Convert to fraction form
   4,818,208/9,514,560 = 9,514,560/x
3. Step 3: Cross multiply
   4,818,208x = 9,514,560 × 9,514,560
4. Step 4: Simplify right side
   4,818,208x = 90,526,851,993,600
5. Step 5: Solve for x
   x = 90,526,851,993,600/4,818,208
6. Step 6: Final answer
   x = 18,788,489.83