Finding the Third Proportional to 9,107,466 and 19,728,294

Step by Step Solution

1. Step 1: Write the proportion equation
   9,107,466 : 19,728,294 = 19,728,294 : x
2. Step 2: Convert to fraction form
   9,107,466/19,728,294 = 19,728,294/x
3. Step 3: Cross multiply
   9,107,466x = 19,728,294 × 19,728,294
4. Step 4: Simplify right side
   9,107,466x = 389,205,584,150,436
5. Step 5: Solve for x
   x = 389,205,584,150,436/9,107,466
6. Step 6: Final answer
   x = 42,734,783.11