Finding the Third Proportional to 872,516 and 1,845,631

Step by Step Solution

1. Step 1: Write the proportion equation
   872,516 : 1,845,631 = 1,845,631 : x
2. Step 2: Convert to fraction form
   872,516/1,845,631 = 1,845,631/x
3. Step 3: Cross multiply
   872,516x = 1,845,631 × 1,845,631
4. Step 4: Simplify right side
   872,516x = 3,406,353,788,161
5. Step 5: Solve for x
   x = 3,406,353,788,161/872,516
6. Step 6: Final answer
   x = 3,904,058.82