Finding the Third Proportional to 77,071,868 and 111,355,540

Step by Step Solution

1. Step 1: Write the proportion equation
   77,071,868 : 111,355,540 = 111,355,540 : x
2. Step 2: Convert to fraction form
   77,071,868/111,355,540 = 111,355,540/x
3. Step 3: Cross multiply
   77,071,868x = 111,355,540 × 111,355,540
4. Step 4: Simplify right side
   77,071,868x = 12,400,056,288,691,600
5. Step 5: Solve for x
   x = 12,400,056,288,691,600/77,071,868
6. Step 6: Final answer
   x = 160,889,525.72