Finding the Third Proportional to 5,915,778 and 12,111,888

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915,778 : 12,111,888 = 12,111,888 : x
2. Step 2: Convert to fraction form
   5,915,778/12,111,888 = 12,111,888/x
3. Step 3: Cross multiply
   5,915,778x = 12,111,888 × 12,111,888
4. Step 4: Simplify right side
   5,915,778x = 146,697,830,924,544
5. Step 5: Solve for x
   x = 146,697,830,924,544/5,915,778
6. Step 6: Final answer
   x = 24,797,724.14