Finding the Third Proportional to 2,586,332 and 5,620,338

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,332 : 5,620,338 = 5,620,338 : x
2. Step 2: Convert to fraction form
   2,586,332/5,620,338 = 5,620,338/x
3. Step 3: Cross multiply
   2,586,332x = 5,620,338 × 5,620,338
4. Step 4: Simplify right side
   2,586,332x = 31,588,199,234,244
5. Step 5: Solve for x
   x = 31,588,199,234,244/2,586,332
6. Step 6: Final answer
   x = 12,213,512.90