Finding the Third Proportional to 4,884,216 and 7,179,972

Step by Step Solution

1. Step 1: Write the proportion equation
   4,884,216 : 7,179,972 = 7,179,972 : x
2. Step 2: Convert to fraction form
   4,884,216/7,179,972 = 7,179,972/x
3. Step 3: Cross multiply
   4,884,216x = 7,179,972 × 7,179,972
4. Step 4: Simplify right side
   4,884,216x = 51,551,997,920,784
5. Step 5: Solve for x
   x = 51,551,997,920,784/4,884,216
6. Step 6: Final answer
   x = 10,554,815.33