Finding the Third Proportional to 2,409,818 and 5,216,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409,818 : 5,216,368 = 5,216,368 : x
2. Step 2: Convert to fraction form
   2,409,818/5,216,368 = 5,216,368/x
3. Step 3: Cross multiply
   2,409,818x = 5,216,368 × 5,216,368
4. Step 4: Simplify right side
   2,409,818x = 27,210,495,111,424
5. Step 5: Solve for x
   x = 27,210,495,111,424/2,409,818
6. Step 6: Final answer
   x = 11,291,514.59