Finding the Third Proportional to 2,912,329 and 4,558,631

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,329 : 4,558,631 = 4,558,631 : x
2. Step 2: Convert to fraction form
   2,912,329/4,558,631 = 4,558,631/x
3. Step 3: Cross multiply
   2,912,329x = 4,558,631 × 4,558,631
4. Step 4: Simplify right side
   2,912,329x = 20,781,116,594,161
5. Step 5: Solve for x
   x = 20,781,116,594,161/2,912,329
6. Step 6: Final answer
   x = 7,135,566.28