Finding the Third Proportional to 146,436,790 and 321,007,148

Step by Step Solution

1. Step 1: Write the proportion equation
   146,436,790 : 321,007,148 = 321,007,148 : x
2. Step 2: Convert to fraction form
   146,436,790/321,007,148 = 321,007,148/x
3. Step 3: Cross multiply
   146,436,790x = 321,007,148 × 321,007,148
4. Step 4: Simplify right side
   146,436,790x = 103,045,589,067,093,904
5. Step 5: Solve for x
   x = 103,045,589,067,093,904/146,436,790
6. Step 6: Final answer
   x = 703,686,478.43