Finding the Third Proportional to 872,356 and 1,776,788

Step by Step Solution

1. Step 1: Write the proportion equation
   872,356 : 1,776,788 = 1,776,788 : x
2. Step 2: Convert to fraction form
   872,356/1,776,788 = 1,776,788/x
3. Step 3: Cross multiply
   872,356x = 1,776,788 × 1,776,788
4. Step 4: Simplify right side
   872,356x = 3,156,975,596,944
5. Step 5: Solve for x
   x = 3,156,975,596,944/872,356
6. Step 6: Final answer
   x = 3,618,907.42