Finding the Third Proportional to 3,393,510 and 7,318,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,510 : 7,318,380 = 7,318,380 : x
2. Step 2: Convert to fraction form
   3,393,510/7,318,380 = 7,318,380/x
3. Step 3: Cross multiply
   3,393,510x = 7,318,380 × 7,318,380
4. Step 4: Simplify right side
   3,393,510x = 53,558,685,824,400
5. Step 5: Solve for x
   x = 53,558,685,824,400/3,393,510
6. Step 6: Final answer
   x = 15,782,681.01