Finding the Third Proportional to 80,555,256 and 123,891,160

Step by Step Solution

1. Step 1: Write the proportion equation
   80,555,256 : 123,891,160 = 123,891,160 : x
2. Step 2: Convert to fraction form
   80,555,256/123,891,160 = 123,891,160/x
3. Step 3: Cross multiply
   80,555,256x = 123,891,160 × 123,891,160
4. Step 4: Simplify right side
   80,555,256x = 15,349,019,526,145,600
5. Step 5: Solve for x
   x = 15,349,019,526,145,600/80,555,256
6. Step 6: Final answer
   x = 190,540,261.29