Finding the Third Proportional to 12,189,306.94 and 25,387,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189,306.94 : 25,387,519.50 = 25,387,519.50 : x
2. Step 2: Convert to fraction form
   12,189,306.94/25,387,519.50 = 25,387,519.50/x
3. Step 3: Cross multiply
   12,189,306.94x = 25,387,519.50 × 25,387,519.50
4. Step 4: Simplify right side
   12,189,306.94x = 644,526,146,362,880.25
5. Step 5: Solve for x
   x = 644,526,146,362,880.25/12,189,306.94
6. Step 6: Final answer
   x = 52,876,357.09