Finding the Third Proportional to 113,526 and 243,363

Step by Step Solution

1. Step 1: Write the proportion equation
   113,526 : 243,363 = 243,363 : x
2. Step 2: Convert to fraction form
   113,526/243,363 = 243,363/x
3. Step 3: Cross multiply
   113,526x = 243,363 × 243,363
4. Step 4: Simplify right side
   113,526x = 59,225,549,769
5. Step 5: Solve for x
   x = 59,225,549,769/113,526
6. Step 6: Final answer
   x = 521,691.50