Finding the Third Proportional to 4,858,348 and 7,720,062

Step by Step Solution

1. Step 1: Write the proportion equation
   4,858,348 : 7,720,062 = 7,720,062 : x
2. Step 2: Convert to fraction form
   4,858,348/7,720,062 = 7,720,062/x
3. Step 3: Cross multiply
   4,858,348x = 7,720,062 × 7,720,062
4. Step 4: Simplify right side
   4,858,348x = 59,599,357,283,844
5. Step 5: Solve for x
   x = 59,599,357,283,844/4,858,348
6. Step 6: Final answer
   x = 12,267,412.15