Finding the Third Proportional to 72,147,644 and 154,510,744

Step by Step Solution

1. Step 1: Write the proportion equation
   72,147,644 : 154,510,744 = 154,510,744 : x
2. Step 2: Convert to fraction form
   72,147,644/154,510,744 = 154,510,744/x
3. Step 3: Cross multiply
   72,147,644x = 154,510,744 × 154,510,744
4. Step 4: Simplify right side
   72,147,644x = 23,873,570,011,433,536
5. Step 5: Solve for x
   x = 23,873,570,011,433,536/72,147,644
6. Step 6: Final answer
   x = 330,898,816.48