Finding the Third Proportional to 3,318,468 and 7,091,832

Step by Step Solution

1. Step 1: Write the proportion equation
   3,318,468 : 7,091,832 = 7,091,832 : x
2. Step 2: Convert to fraction form
   3,318,468/7,091,832 = 7,091,832/x
3. Step 3: Cross multiply
   3,318,468x = 7,091,832 × 7,091,832
4. Step 4: Simplify right side
   3,318,468x = 50,294,081,116,224
5. Step 5: Solve for x
   x = 50,294,081,116,224/3,318,468
6. Step 6: Final answer
   x = 15,155,813.20