Finding the Third Proportional to 49,879,119 and 79,428,912

Step by Step Solution

1. Step 1: Write the proportion equation
   49,879,119 : 79,428,912 = 79,428,912 : x
2. Step 2: Convert to fraction form
   49,879,119/79,428,912 = 79,428,912/x
3. Step 3: Cross multiply
   49,879,119x = 79,428,912 × 79,428,912
4. Step 4: Simplify right side
   49,879,119x = 6,308,952,061,503,744
5. Step 5: Solve for x
   x = 6,308,952,061,503,744/49,879,119
6. Step 6: Final answer
   x = 126,484,833.49