Finding the Third Proportional to 111,557,740 and 242,870,165

Step by Step Solution

1. Step 1: Write the proportion equation
   111,557,740 : 242,870,165 = 242,870,165 : x
2. Step 2: Convert to fraction form
   111,557,740/242,870,165 = 242,870,165/x
3. Step 3: Cross multiply
   111,557,740x = 242,870,165 × 242,870,165
4. Step 4: Simplify right side
   111,557,740x = 58,985,917,047,127,224
5. Step 5: Solve for x
   x = 58,985,917,047,127,224/111,557,740
6. Step 6: Final answer
   x = 528,747,866.77