Finding the Third Proportional to 3,988,122 and 8,773,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988,122 : 8,773,716 = 8,773,716 : x
2. Step 2: Convert to fraction form
   3,988,122/8,773,716 = 8,773,716/x
3. Step 3: Cross multiply
   3,988,122x = 8,773,716 × 8,773,716
4. Step 4: Simplify right side
   3,988,122x = 76,978,092,448,656
5. Step 5: Solve for x
   x = 76,978,092,448,656/3,988,122
6. Step 6: Final answer
   x = 19,301,839.93