Finding the Third Proportional to 2,370,386 and 5,213,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370,386 : 5,213,380 = 5,213,380 : x
2. Step 2: Convert to fraction form
   2,370,386/5,213,380 = 5,213,380/x
3. Step 3: Cross multiply
   2,370,386x = 5,213,380 × 5,213,380
4. Step 4: Simplify right side
   2,370,386x = 27,179,331,024,400
5. Step 5: Solve for x
   x = 27,179,331,024,400/2,370,386
6. Step 6: Final answer
   x = 11,466,204.67