Finding the Third Proportional to 113,929.03 and 243,429.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,929.03 : 243,429.05 = 243,429.05 : x
2. Step 2: Convert to fraction form
   113,929.03/243,429.05 = 243,429.05/x
3. Step 3: Cross multiply
   113,929.03x = 243,429.05 × 243,429.05
4. Step 4: Simplify right side
   113,929.03x = 59,257,700,862.47
5. Step 5: Solve for x
   x = 59,257,700,862.47/113,929.03
6. Step 6: Final answer
   x = 520,128.19