Finding the Third Proportional to 5,566,718 and 8,619,430

Step by Step Solution

1. Step 1: Write the proportion equation
   5,566,718 : 8,619,430 = 8,619,430 : x
2. Step 2: Convert to fraction form
   5,566,718/8,619,430 = 8,619,430/x
3. Step 3: Cross multiply
   5,566,718x = 8,619,430 × 8,619,430
4. Step 4: Simplify right side
   5,566,718x = 74,294,573,524,900
5. Step 5: Solve for x
   x = 74,294,573,524,900/5,566,718
6. Step 6: Final answer
   x = 13,346,207.50