Finding the Third Proportional to 916,072 and 1,967,792

Step by Step Solution

1. Step 1: Write the proportion equation
   916,072 : 1,967,792 = 1,967,792 : x
2. Step 2: Convert to fraction form
   916,072/1,967,792 = 1,967,792/x
3. Step 3: Cross multiply
   916,072x = 1,967,792 × 1,967,792
4. Step 4: Simplify right side
   916,072x = 3,872,205,355,264
5. Step 5: Solve for x
   x = 3,872,205,355,264/916,072
6. Step 6: Final answer
   x = 4,226,966.17