Finding the Third Proportional to 11,900,438 and 24,428,140

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900,438 : 24,428,140 = 24,428,140 : x
2. Step 2: Convert to fraction form
   11,900,438/24,428,140 = 24,428,140/x
3. Step 3: Cross multiply
   11,900,438x = 24,428,140 × 24,428,140
4. Step 4: Simplify right side
   11,900,438x = 596,734,023,859,600
5. Step 5: Solve for x
   x = 596,734,023,859,600/11,900,438
6. Step 6: Final answer
   x = 50,143,870.66