Finding the Third Proportional to 233,991 and 342,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   233,991 : 342,211.50 = 342,211.50 : x
2. Step 2: Convert to fraction form
   233,991/342,211.50 = 342,211.50/x
3. Step 3: Cross multiply
   233,991x = 342,211.50 × 342,211.50
4. Step 4: Simplify right side
   233,991x = 117,108,710,732.25
5. Step 5: Solve for x
   x = 117,108,710,732.25/233,991
6. Step 6: Final answer
   x = 500,483.83