Finding the Third Proportional to 111,411 and 243,875

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411 : 243,875 = 243,875 : x
2. Step 2: Convert to fraction form
   111,411/243,875 = 243,875/x
3. Step 3: Cross multiply
   111,411x = 243,875 × 243,875
4. Step 4: Simplify right side
   111,411x = 59,475,015,625
5. Step 5: Solve for x
   x = 59,475,015,625/111,411
6. Step 6: Final answer
   x = 533,834.32