Finding the Third Proportional to 111,038,919 and 240,610,530

Step by Step Solution

1. Step 1: Write the proportion equation
   111,038,919 : 240,610,530 = 240,610,530 : x
2. Step 2: Convert to fraction form
   111,038,919/240,610,530 = 240,610,530/x
3. Step 3: Cross multiply
   111,038,919x = 240,610,530 × 240,610,530
4. Step 4: Simplify right side
   111,038,919x = 57,893,427,146,880,896
5. Step 5: Solve for x
   x = 57,893,427,146,880,896/111,038,919
6. Step 6: Final answer
   x = 521,379,599.77