Finding the Third Proportional to 146,436,793.50 and 321,007,155

Step by Step Solution

1. Step 1: Write the proportion equation
   146,436,793.50 : 321,007,155 = 321,007,155 : x
2. Step 2: Convert to fraction form
   146,436,793.50/321,007,155 = 321,007,155/x
3. Step 3: Cross multiply
   146,436,793.50x = 321,007,155 × 321,007,155
4. Step 4: Simplify right side
   146,436,793.50x = 103,045,593,561,194,032
5. Step 5: Solve for x
   x = 103,045,593,561,194,032/146,436,793.50
6. Step 6: Final answer
   x = 703,686,492.30