Finding the Third Proportional to 72,420,753 and 155,196,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,420,753 : 155,196,424.50 = 155,196,424.50 : x
2. Step 2: Convert to fraction form
   72,420,753/155,196,424.50 = 155,196,424.50/x
3. Step 3: Cross multiply
   72,420,753x = 155,196,424.50 × 155,196,424.50
4. Step 4: Simplify right side
   72,420,753x = 24,085,930,177,584,200
5. Step 5: Solve for x
   x = 24,085,930,177,584,200/72,420,753
6. Step 6: Final answer
   x = 332,583,260.73