Finding the Third Proportional to 111,294 and 243,810

Step by Step Solution

1. Step 1: Write the proportion equation
   111,294 : 243,810 = 243,810 : x
2. Step 2: Convert to fraction form
   111,294/243,810 = 243,810/x
3. Step 3: Cross multiply
   111,294x = 243,810 × 243,810
4. Step 4: Simplify right side
   111,294x = 59,443,316,100
5. Step 5: Solve for x
   x = 59,443,316,100/111,294
6. Step 6: Final answer
   x = 534,110.70