Finding the Third Proportional to 5,615,904 and 8,626,644

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,904 : 8,626,644 = 8,626,644 : x
2. Step 2: Convert to fraction form
   5,615,904/8,626,644 = 8,626,644/x
3. Step 3: Cross multiply
   5,615,904x = 8,626,644 × 8,626,644
4. Step 4: Simplify right side
   5,615,904x = 74,418,986,702,736
5. Step 5: Solve for x
   x = 74,418,986,702,736/5,615,904
6. Step 6: Final answer
   x = 13,251,470.59