Finding the Third Proportional to 3,688,296 and 7,558,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688,296 : 7,558,680 = 7,558,680 : x
2. Step 2: Convert to fraction form
   3,688,296/7,558,680 = 7,558,680/x
3. Step 3: Cross multiply
   3,688,296x = 7,558,680 × 7,558,680
4. Step 4: Simplify right side
   3,688,296x = 57,133,643,342,400
5. Step 5: Solve for x
   x = 57,133,643,342,400/3,688,296
6. Step 6: Final answer
   x = 15,490,525.53