Finding the Third Proportional to 4,250,362 and 9,172,390

Step by Step Solution

1. Step 1: Write the proportion equation
   4,250,362 : 9,172,390 = 9,172,390 : x
2. Step 2: Convert to fraction form
   4,250,362/9,172,390 = 9,172,390/x
3. Step 3: Cross multiply
   4,250,362x = 9,172,390 × 9,172,390
4. Step 4: Simplify right side
   4,250,362x = 84,132,738,312,100
5. Step 5: Solve for x
   x = 84,132,738,312,100/4,250,362
6. Step 6: Final answer
   x = 19,794,252.42