Finding the Third Proportional to 4,250,327 and 9,172,326

Step by Step Solution

1. Step 1: Write the proportion equation
   4,250,327 : 9,172,326 = 9,172,326 : x
2. Step 2: Convert to fraction form
   4,250,327/9,172,326 = 9,172,326/x
3. Step 3: Cross multiply
   4,250,327x = 9,172,326 × 9,172,326
4. Step 4: Simplify right side
   4,250,327x = 84,131,564,250,276
5. Step 5: Solve for x
   x = 84,131,564,250,276/4,250,327
6. Step 6: Final answer
   x = 19,794,139.19