Finding the Third Proportional to 5,573,442 and 8,613,783

Step by Step Solution

1. Step 1: Write the proportion equation
   5,573,442 : 8,613,783 = 8,613,783 : x
2. Step 2: Convert to fraction form
   5,573,442/8,613,783 = 8,613,783/x
3. Step 3: Cross multiply
   5,573,442x = 8,613,783 × 8,613,783
4. Step 4: Simplify right side
   5,573,442x = 74,197,257,571,089
5. Step 5: Solve for x
   x = 74,197,257,571,089/5,573,442
6. Step 6: Final answer
   x = 13,312,645.50