Finding the Third Proportional to 3,318,410 and 7,091,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,318,410 : 7,091,716 = 7,091,716 : x
2. Step 2: Convert to fraction form
   3,318,410/7,091,716 = 7,091,716/x
3. Step 3: Cross multiply
   3,318,410x = 7,091,716 × 7,091,716
4. Step 4: Simplify right side
   3,318,410x = 50,292,435,824,656
5. Step 5: Solve for x
   x = 50,292,435,824,656/3,318,410
6. Step 6: Final answer
   x = 15,155,582.29