Finding the Third Proportional to 136,386 and 296,377.88

Step by Step Solution

1. Step 1: Write the proportion equation
   136,386 : 296,377.88 = 296,377.88 : x
2. Step 2: Convert to fraction form
   136,386/296,377.88 = 296,377.88/x
3. Step 3: Cross multiply
   136,386x = 296,377.88 × 296,377.88
4. Step 4: Simplify right side
   136,386x = 87,839,844,789.52
5. Step 5: Solve for x
   x = 87,839,844,789.52/136,386
6. Step 6: Final answer
   x = 644,053.24