Finding the Third Proportional to 77,307,168 and 108,139,988

Step by Step Solution

1. Step 1: Write the proportion equation
   77,307,168 : 108,139,988 = 108,139,988 : x
2. Step 2: Convert to fraction form
   77,307,168/108,139,988 = 108,139,988/x
3. Step 3: Cross multiply
   77,307,168x = 108,139,988 × 108,139,988
4. Step 4: Simplify right side
   77,307,168x = 11,694,257,004,640,144
5. Step 5: Solve for x
   x = 11,694,257,004,640,144/77,307,168
6. Step 6: Final answer
   x = 151,270,022.01