Finding the Third Proportional to 2,943,688 and 4,318,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943,688 : 4,318,656 = 4,318,656 : x
2. Step 2: Convert to fraction form
   2,943,688/4,318,656 = 4,318,656/x
3. Step 3: Cross multiply
   2,943,688x = 4,318,656 × 4,318,656
4. Step 4: Simplify right side
   2,943,688x = 18,650,789,646,336
5. Step 5: Solve for x
   x = 18,650,789,646,336/2,943,688
6. Step 6: Final answer
   x = 6,335,858.16