Finding the Third Proportional to 113,139 and 245,061

Step by Step Solution

1. Step 1: Write the proportion equation
   113,139 : 245,061 = 245,061 : x
2. Step 2: Convert to fraction form
   113,139/245,061 = 245,061/x
3. Step 3: Cross multiply
   113,139x = 245,061 × 245,061
4. Step 4: Simplify right side
   113,139x = 60,054,893,721
5. Step 5: Solve for x
   x = 60,054,893,721/113,139
6. Step 6: Final answer
   x = 530,806.30