Finding the Third Proportional to 111,596,317 and 236,468,209

Step by Step Solution

1. Step 1: Write the proportion equation
   111,596,317 : 236,468,209 = 236,468,209 : x
2. Step 2: Convert to fraction form
   111,596,317/236,468,209 = 236,468,209/x
3. Step 3: Cross multiply
   111,596,317x = 236,468,209 × 236,468,209
4. Step 4: Simplify right side
   111,596,317x = 55,917,213,867,667,680
5. Step 5: Solve for x
   x = 55,917,213,867,667,680/111,596,317
6. Step 6: Final answer
   x = 501,066,839.58