Finding the Third Proportional to 4,170,213 and 9,057,696

Step by Step Solution

1. Step 1: Write the proportion equation
   4,170,213 : 9,057,696 = 9,057,696 : x
2. Step 2: Convert to fraction form
   4,170,213/9,057,696 = 9,057,696/x
3. Step 3: Cross multiply
   4,170,213x = 9,057,696 × 9,057,696
4. Step 4: Simplify right side
   4,170,213x = 82,041,856,828,416
5. Step 5: Solve for x
   x = 82,041,856,828,416/4,170,213
6. Step 6: Final answer
   x = 19,673,301.30