Finding the Third Proportional to 111,160 and 243,402

Step by Step Solution

1. Step 1: Write the proportion equation
   111,160 : 243,402 = 243,402 : x
2. Step 2: Convert to fraction form
   111,160/243,402 = 243,402/x
3. Step 3: Cross multiply
   111,160x = 243,402 × 243,402
4. Step 4: Simplify right side
   111,160x = 59,244,533,604
5. Step 5: Solve for x
   x = 59,244,533,604/111,160
6. Step 6: Final answer
   x = 532,966.30