Finding the Third Proportional to 118,710 and 241,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,710 : 241,815.50 = 241,815.50 : x
2. Step 2: Convert to fraction form
   118,710/241,815.50 = 241,815.50/x
3. Step 3: Cross multiply
   118,710x = 241,815.50 × 241,815.50
4. Step 4: Simplify right side
   118,710x = 58,474,736,040.25
5. Step 5: Solve for x
   x = 58,474,736,040.25/118,710
6. Step 6: Final answer
   x = 492,584.75