Finding the Third Proportional to 76,322.25 and 136,242

Step by Step Solution

1. Step 1: Write the proportion equation
   76,322.25 : 136,242 = 136,242 : x
2. Step 2: Convert to fraction form
   76,322.25/136,242 = 136,242/x
3. Step 3: Cross multiply
   76,322.25x = 136,242 × 136,242
4. Step 4: Simplify right side
   76,322.25x = 18,561,882,564
5. Step 5: Solve for x
   x = 18,561,882,564/76,322.25
6. Step 6: Final answer
   x = 243,204.08