Finding the Third Proportional to 146,228,872 and 321,157,016

Step by Step Solution

1. Step 1: Write the proportion equation
   146,228,872 : 321,157,016 = 321,157,016 : x
2. Step 2: Convert to fraction form
   146,228,872/321,157,016 = 321,157,016/x
3. Step 3: Cross multiply
   146,228,872x = 321,157,016 × 321,157,016
4. Step 4: Simplify right side
   146,228,872x = 103,141,828,926,024,256
5. Step 5: Solve for x
   x = 103,141,828,926,024,256/146,228,872
6. Step 6: Final answer
   x = 705,345,172.37