Finding the Third Proportional to 3,337,680 and 7,178,352

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337,680 : 7,178,352 = 7,178,352 : x
2. Step 2: Convert to fraction form
   3,337,680/7,178,352 = 7,178,352/x
3. Step 3: Cross multiply
   3,337,680x = 7,178,352 × 7,178,352
4. Step 4: Simplify right side
   3,337,680x = 51,528,737,435,904
5. Step 5: Solve for x
   x = 51,528,737,435,904/3,337,680
6. Step 6: Final answer
   x = 15,438,489.44