Finding the Third Proportional to 5,608,808 and 8,403,708

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608,808 : 8,403,708 = 8,403,708 : x
2. Step 2: Convert to fraction form
   5,608,808/8,403,708 = 8,403,708/x
3. Step 3: Cross multiply
   5,608,808x = 8,403,708 × 8,403,708
4. Step 4: Simplify right side
   5,608,808x = 70,622,308,149,264
5. Step 5: Solve for x
   x = 70,622,308,149,264/5,608,808
6. Step 6: Final answer
   x = 12,591,322.10