Finding the Third Proportional to 111,596,560 and 236,468,688

Step by Step Solution

1. Step 1: Write the proportion equation
   111,596,560 : 236,468,688 = 236,468,688 : x
2. Step 2: Convert to fraction form
   111,596,560/236,468,688 = 236,468,688/x
3. Step 3: Cross multiply
   111,596,560x = 236,468,688 × 236,468,688
4. Step 4: Simplify right side
   111,596,560x = 55,917,440,404,441,344
5. Step 5: Solve for x
   x = 55,917,440,404,441,344/111,596,560
6. Step 6: Final answer
   x = 501,067,778.47