Finding the Third Proportional to 137,826.75 and 208,818

Step by Step Solution

1. Step 1: Write the proportion equation
   137,826.75 : 208,818 = 208,818 : x
2. Step 2: Convert to fraction form
   137,826.75/208,818 = 208,818/x
3. Step 3: Cross multiply
   137,826.75x = 208,818 × 208,818
4. Step 4: Simplify right side
   137,826.75x = 43,604,957,124
5. Step 5: Solve for x
   x = 43,604,957,124/137,826.75
6. Step 6: Final answer
   x = 316,375.14