Finding the Third Proportional to 5,618,256 and 8,508,960

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618,256 : 8,508,960 = 8,508,960 : x
2. Step 2: Convert to fraction form
   5,618,256/8,508,960 = 8,508,960/x
3. Step 3: Cross multiply
   5,618,256x = 8,508,960 × 8,508,960
4. Step 4: Simplify right side
   5,618,256x = 72,402,400,281,600
5. Step 5: Solve for x
   x = 72,402,400,281,600/5,618,256
6. Step 6: Final answer
   x = 12,886,988.47