Finding the Third Proportional to 136,836 and 205,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   136,836 : 205,049.25 = 205,049.25 : x
2. Step 2: Convert to fraction form
   136,836/205,049.25 = 205,049.25/x
3. Step 3: Cross multiply
   136,836x = 205,049.25 × 205,049.25
4. Step 4: Simplify right side
   136,836x = 42,045,194,925.56
5. Step 5: Solve for x
   x = 42,045,194,925.56/136,836
6. Step 6: Final answer
   x = 307,267.06