Finding the Third Proportional to 147,274,450 and 320,405,942

Step by Step Solution

1. Step 1: Write the proportion equation
   147,274,450 : 320,405,942 = 320,405,942 : x
2. Step 2: Convert to fraction form
   147,274,450/320,405,942 = 320,405,942/x
3. Step 3: Cross multiply
   147,274,450x = 320,405,942 × 320,405,942
4. Step 4: Simplify right side
   147,274,450x = 102,659,967,668,907,360
5. Step 5: Solve for x
   x = 102,659,967,668,907,360/147,274,450
6. Step 6: Final answer
   x = 697,065,700.59