Finding the Third Proportional to 111,659.50 and 243,362

Step by Step Solution

1. Step 1: Write the proportion equation
   111,659.50 : 243,362 = 243,362 : x
2. Step 2: Convert to fraction form
   111,659.50/243,362 = 243,362/x
3. Step 3: Cross multiply
   111,659.50x = 243,362 × 243,362
4. Step 4: Simplify right side
   111,659.50x = 59,225,063,044
5. Step 5: Solve for x
   x = 59,225,063,044/111,659.50
6. Step 6: Final answer
   x = 530,407.74