Finding the Third Proportional to 3,428,460 and 7,372,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428,460 : 7,372,888 = 7,372,888 : x
2. Step 2: Convert to fraction form
   3,428,460/7,372,888 = 7,372,888/x
3. Step 3: Cross multiply
   3,428,460x = 7,372,888 × 7,372,888
4. Step 4: Simplify right side
   3,428,460x = 54,359,477,460,544
5. Step 5: Solve for x
   x = 54,359,477,460,544/3,428,460
6. Step 6: Final answer
   x = 15,855,362.89