Finding the Third Proportional to 2,217,590 and 4,766,458

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,590 : 4,766,458 = 4,766,458 : x
2. Step 2: Convert to fraction form
   2,217,590/4,766,458 = 4,766,458/x
3. Step 3: Cross multiply
   2,217,590x = 4,766,458 × 4,766,458
4. Step 4: Simplify right side
   2,217,590x = 22,719,121,865,764
5. Step 5: Solve for x
   x = 22,719,121,865,764/2,217,590
6. Step 6: Final answer
   x = 10,244,960.46