Finding the Third Proportional to 111,557,737 and 242,870,159

Step by Step Solution

1. Step 1: Write the proportion equation
   111,557,737 : 242,870,159 = 242,870,159 : x
2. Step 2: Convert to fraction form
   111,557,737/242,870,159 = 242,870,159/x
3. Step 3: Cross multiply
   111,557,737x = 242,870,159 × 242,870,159
4. Step 4: Simplify right side
   111,557,737x = 58,985,914,132,685,280
5. Step 5: Solve for x
   x = 58,985,914,132,685,280/111,557,737
6. Step 6: Final answer
   x = 528,747,854.87