Finding the Third Proportional to 5,010,420 and 10,978,436

Step by Step Solution

1. Step 1: Write the proportion equation
   5,010,420 : 10,978,436 = 10,978,436 : x
2. Step 2: Convert to fraction form
   5,010,420/10,978,436 = 10,978,436/x
3. Step 3: Cross multiply
   5,010,420x = 10,978,436 × 10,978,436
4. Step 4: Simplify right side
   5,010,420x = 120,526,057,006,096
5. Step 5: Solve for x
   x = 120,526,057,006,096/5,010,420
6. Step 6: Final answer
   x = 24,055,080.61