Finding the Third Proportional to 117,699 and 241,599.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,699 : 241,599.75 = 241,599.75 : x
2. Step 2: Convert to fraction form
   117,699/241,599.75 = 241,599.75/x
3. Step 3: Cross multiply
   117,699x = 241,599.75 × 241,599.75
4. Step 4: Simplify right side
   117,699x = 58,370,439,200.06
5. Step 5: Solve for x
   x = 58,370,439,200.06/117,699
6. Step 6: Final answer
   x = 495,929.78