Finding the Third Proportional to 2,356,445 and 5,132,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356,445 : 5,132,780 = 5,132,780 : x
2. Step 2: Convert to fraction form
   2,356,445/5,132,780 = 5,132,780/x
3. Step 3: Cross multiply
   2,356,445x = 5,132,780 × 5,132,780
4. Step 4: Simplify right side
   2,356,445x = 26,345,430,528,400
5. Step 5: Solve for x
   x = 26,345,430,528,400/2,356,445
6. Step 6: Final answer
   x = 11,180,159.32