Finding the Third Proportional to 16,404,454 and 35,898,289

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404,454 : 35,898,289 = 35,898,289 : x
2. Step 2: Convert to fraction form
   16,404,454/35,898,289 = 35,898,289/x
3. Step 3: Cross multiply
   16,404,454x = 35,898,289 × 35,898,289
4. Step 4: Simplify right side
   16,404,454x = 1,288,687,153,127,521
5. Step 5: Solve for x
   x = 1,288,687,153,127,521/16,404,454
6. Step 6: Final answer
   x = 78,557,149.97