Finding the Third Proportional to 113,050 and 242,490

Step by Step Solution

1. Step 1: Write the proportion equation
   113,050 : 242,490 = 242,490 : x
2. Step 2: Convert to fraction form
   113,050/242,490 = 242,490/x
3. Step 3: Cross multiply
   113,050x = 242,490 × 242,490
4. Step 4: Simplify right side
   113,050x = 58,801,400,100
5. Step 5: Solve for x
   x = 58,801,400,100/113,050
6. Step 6: Final answer
   x = 520,136.22