Finding the Third Proportional to 5,010,400 and 10,978,396

Step by Step Solution

1. Step 1: Write the proportion equation
   5,010,400 : 10,978,396 = 10,978,396 : x
2. Step 2: Convert to fraction form
   5,010,400/10,978,396 = 10,978,396/x
3. Step 3: Cross multiply
   5,010,400x = 10,978,396 × 10,978,396
4. Step 4: Simplify right side
   5,010,400x = 120,525,178,732,816
5. Step 5: Solve for x
   x = 120,525,178,732,816/5,010,400
6. Step 6: Final answer
   x = 24,055,001.34