Finding the Third Proportional to 80,555,328 and 123,891,264

Step by Step Solution

1. Step 1: Write the proportion equation
   80,555,328 : 123,891,264 = 123,891,264 : x
2. Step 2: Convert to fraction form
   80,555,328/123,891,264 = 123,891,264/x
3. Step 3: Cross multiply
   80,555,328x = 123,891,264 × 123,891,264
4. Step 4: Simplify right side
   80,555,328x = 15,349,045,295,517,696
5. Step 5: Solve for x
   x = 15,349,045,295,517,696/80,555,328
6. Step 6: Final answer
   x = 190,540,410.88