Finding the Third Proportional to 111,469,911 and 233,103,620

Step by Step Solution

1. Step 1: Write the proportion equation
   111,469,911 : 233,103,620 = 233,103,620 : x
2. Step 2: Convert to fraction form
   111,469,911/233,103,620 = 233,103,620/x
3. Step 3: Cross multiply
   111,469,911x = 233,103,620 × 233,103,620
4. Step 4: Simplify right side
   111,469,911x = 54,337,297,657,104,400
5. Step 5: Solve for x
   x = 54,337,297,657,104,400/111,469,911
6. Step 6: Final answer
   x = 487,461,568.50