Finding the Third Proportional to 111,557,738 and 242,870,161

Step by Step Solution

1. Step 1: Write the proportion equation
   111,557,738 : 242,870,161 = 242,870,161 : x
2. Step 2: Convert to fraction form
   111,557,738/242,870,161 = 242,870,161/x
3. Step 3: Cross multiply
   111,557,738x = 242,870,161 × 242,870,161
4. Step 4: Simplify right side
   111,557,738x = 58,985,915,104,165,920
5. Step 5: Solve for x
   x = 58,985,915,104,165,920/111,557,738
6. Step 6: Final answer
   x = 528,747,858.84