Finding the Third Proportional to 2,402.47 and 3,438.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.47 : 3,438.07 = 3,438.07 : x
2. Step 2: Convert to fraction form
   2,402.47/3,438.07 = 3,438.07/x
3. Step 3: Cross multiply
   2,402.47x = 3,438.07 × 3,438.07
4. Step 4: Simplify right side
   2,402.47x = 11,820,327.47
5. Step 5: Solve for x
   x = 11,820,327.47/2,402.47
6. Step 6: Final answer
   x = 4,920.07