Finding the Third Proportional to 146,228,870 and 321,157,012

Step by Step Solution

1. Step 1: Write the proportion equation
   146,228,870 : 321,157,012 = 321,157,012 : x
2. Step 2: Convert to fraction form
   146,228,870/321,157,012 = 321,157,012/x
3. Step 3: Cross multiply
   146,228,870x = 321,157,012 × 321,157,012
4. Step 4: Simplify right side
   146,228,870x = 103,141,826,356,768,144
5. Step 5: Solve for x
   x = 103,141,826,356,768,144/146,228,870
6. Step 6: Final answer
   x = 705,345,164.45