Finding the Third Proportional to 3,407,931 and 7,294,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407,931 : 7,294,680 = 7,294,680 : x
2. Step 2: Convert to fraction form
   3,407,931/7,294,680 = 7,294,680/x
3. Step 3: Cross multiply
   3,407,931x = 7,294,680 × 7,294,680
4. Step 4: Simplify right side
   3,407,931x = 53,212,356,302,400
5. Step 5: Solve for x
   x = 53,212,356,302,400/3,407,931
6. Step 6: Final answer
   x = 15,614,270.45