Finding the Third Proportional to 111,105 and 243,307.13

Step by Step Solution

1. Step 1: Write the proportion equation
   111,105 : 243,307.13 = 243,307.13 : x
2. Step 2: Convert to fraction form
   111,105/243,307.13 = 243,307.13/x
3. Step 3: Cross multiply
   111,105x = 243,307.13 × 243,307.13
4. Step 4: Simplify right side
   111,105x = 59,198,357,075.77
5. Step 5: Solve for x
   x = 59,198,357,075.77/111,105
6. Step 6: Final answer
   x = 532,814.52