Finding the Third Proportional to 2,111,172 and 4,521,264

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,172 : 4,521,264 = 4,521,264 : x
2. Step 2: Convert to fraction form
   2,111,172/4,521,264 = 4,521,264/x
3. Step 3: Cross multiply
   2,111,172x = 4,521,264 × 4,521,264
4. Step 4: Simplify right side
   2,111,172x = 20,441,828,157,696
5. Step 5: Solve for x
   x = 20,441,828,157,696/2,111,172
6. Step 6: Final answer
   x = 9,682,691.96