Finding the Third Proportional to 872,354 and 1,776,784

Step by Step Solution

1. Step 1: Write the proportion equation
   872,354 : 1,776,784 = 1,776,784 : x
2. Step 2: Convert to fraction form
   872,354/1,776,784 = 1,776,784/x
3. Step 3: Cross multiply
   872,354x = 1,776,784 × 1,776,784
4. Step 4: Simplify right side
   872,354x = 3,156,961,382,656
5. Step 5: Solve for x
   x = 3,156,961,382,656/872,354
6. Step 6: Final answer
   x = 3,618,899.42