Finding the Third Proportional to 82,185,129 and 123,385,794

Step by Step Solution

1. Step 1: Write the proportion equation
   82,185,129 : 123,385,794 = 123,385,794 : x
2. Step 2: Convert to fraction form
   82,185,129/123,385,794 = 123,385,794/x
3. Step 3: Cross multiply
   82,185,129x = 123,385,794 × 123,385,794
4. Step 4: Simplify right side
   82,185,129x = 15,224,054,161,010,436
5. Step 5: Solve for x
   x = 15,224,054,161,010,436/82,185,129
6. Step 6: Final answer
   x = 185,240,983.94