Finding the Third Proportional to 3,472,558 and 7,478,471

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472,558 : 7,478,471 = 7,478,471 : x
2. Step 2: Convert to fraction form
   3,472,558/7,478,471 = 7,478,471/x
3. Step 3: Cross multiply
   3,472,558x = 7,478,471 × 7,478,471
4. Step 4: Simplify right side
   3,472,558x = 55,927,528,497,841
5. Step 5: Solve for x
   x = 55,927,528,497,841/3,472,558
6. Step 6: Final answer
   x = 16,105,570.73