Finding the Third Proportional to 816,072 and 1,767,664

Step by Step Solution

1. Step 1: Write the proportion equation
   816,072 : 1,767,664 = 1,767,664 : x
2. Step 2: Convert to fraction form
   816,072/1,767,664 = 1,767,664/x
3. Step 3: Cross multiply
   816,072x = 1,767,664 × 1,767,664
4. Step 4: Simplify right side
   816,072x = 3,124,636,016,896
5. Step 5: Solve for x
   x = 3,124,636,016,896/816,072
6. Step 6: Final answer
   x = 3,828,872.96