Finding the Third Proportional to 219,931,578 and 326,093,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,931,578 : 326,093,323.50 = 326,093,323.50 : x
2. Step 2: Convert to fraction form
   219,931,578/326,093,323.50 = 326,093,323.50/x
3. Step 3: Cross multiply
   219,931,578x = 326,093,323.50 × 326,093,323.50
4. Step 4: Simplify right side
   219,931,578x = 106,336,855,631,275,648
5. Step 5: Solve for x
   x = 106,336,855,631,275,648/219,931,578
6. Step 6: Final answer
   x = 483,499,716.59