Finding the Third Proportional to 5,615,309.25 and 12,081,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,309.25 : 12,081,766.50 = 12,081,766.50 : x
2. Step 2: Convert to fraction form
   5,615,309.25/12,081,766.50 = 12,081,766.50/x
3. Step 3: Cross multiply
   5,615,309.25x = 12,081,766.50 × 12,081,766.50
4. Step 4: Simplify right side
   5,615,309.25x = 145,969,081,760,522.25
5. Step 5: Solve for x
   x = 145,969,081,760,522.25/5,615,309.25
6. Step 6: Final answer
   x = 25,994,842.89