Finding the Third Proportional to 136,242 and 204,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,242 : 204,406.50 = 204,406.50 : x
2. Step 2: Convert to fraction form
   136,242/204,406.50 = 204,406.50/x
3. Step 3: Cross multiply
   136,242x = 204,406.50 × 204,406.50
4. Step 4: Simplify right side
   136,242x = 41,782,017,242.25
5. Step 5: Solve for x
   x = 41,782,017,242.25/136,242
6. Step 6: Final answer
   x = 306,675.01