Finding the Third Proportional to 398,116,570.50 and 597,174,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   398,116,570.50 : 597,174,907.50 = 597,174,907.50 : x
2. Step 2: Convert to fraction form
   398,116,570.50/597,174,907.50 = 597,174,907.50/x
3. Step 3: Cross multiply
   398,116,570.50x = 597,174,907.50 × 597,174,907.50
4. Step 4: Simplify right side
   398,116,570.50x = 356,617,870,147,633,536
5. Step 5: Solve for x
   x = 356,617,870,147,633,536/398,116,570.50
6. Step 6: Final answer
   x = 895,762,438.88