Finding the Third Proportional to 113,527 and 243,354

Step by Step Solution

1. Step 1: Write the proportion equation
   113,527 : 243,354 = 243,354 : x
2. Step 2: Convert to fraction form
   113,527/243,354 = 243,354/x
3. Step 3: Cross multiply
   113,527x = 243,354 × 243,354
4. Step 4: Simplify right side
   113,527x = 59,221,169,316
5. Step 5: Solve for x
   x = 59,221,169,316/113,527
6. Step 6: Final answer
   x = 521,648.32