Finding the Third Proportional to 3,393,336 and 7,318,020

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,336 : 7,318,020 = 7,318,020 : x
2. Step 2: Convert to fraction form
   3,393,336/7,318,020 = 7,318,020/x
3. Step 3: Cross multiply
   3,393,336x = 7,318,020 × 7,318,020
4. Step 4: Simplify right side
   3,393,336x = 53,553,416,720,400
5. Step 5: Solve for x
   x = 53,553,416,720,400/3,393,336
6. Step 6: Final answer
   x = 15,781,937.52