Finding the Third Proportional to 78,751,208 and 123,256,056

Step by Step Solution

1. Step 1: Write the proportion equation
   78,751,208 : 123,256,056 = 123,256,056 : x
2. Step 2: Convert to fraction form
   78,751,208/123,256,056 = 123,256,056/x
3. Step 3: Cross multiply
   78,751,208x = 123,256,056 × 123,256,056
4. Step 4: Simplify right side
   78,751,208x = 15,192,055,340,675,136
5. Step 5: Solve for x
   x = 15,192,055,340,675,136/78,751,208
6. Step 6: Final answer
   x = 192,912,029.24