Finding the Third Proportional to 4,178,857 and 9,053,294

Step by Step Solution

1. Step 1: Write the proportion equation
   4,178,857 : 9,053,294 = 9,053,294 : x
2. Step 2: Convert to fraction form
   4,178,857/9,053,294 = 9,053,294/x
3. Step 3: Cross multiply
   4,178,857x = 9,053,294 × 9,053,294
4. Step 4: Simplify right side
   4,178,857x = 81,962,132,250,436
5. Step 5: Solve for x
   x = 81,962,132,250,436/4,178,857
6. Step 6: Final answer
   x = 19,613,528.83