Finding the Third Proportional to 12,984,259.50 and 20,262,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984,259.50 : 20,262,478.50 = 20,262,478.50 : x
2. Step 2: Convert to fraction form
   12,984,259.50/20,262,478.50 = 20,262,478.50/x
3. Step 3: Cross multiply
   12,984,259.50x = 20,262,478.50 × 20,262,478.50
4. Step 4: Simplify right side
   12,984,259.50x = 410,568,034,962,962.25
5. Step 5: Solve for x
   x = 410,568,034,962,962.25/12,984,259.50
6. Step 6: Final answer
   x = 31,620,442.81