Finding the Third Proportional to 137,436 and 208,068

Step by Step Solution

1. Step 1: Write the proportion equation
   137,436 : 208,068 = 208,068 : x
2. Step 2: Convert to fraction form
   137,436/208,068 = 208,068/x
3. Step 3: Cross multiply
   137,436x = 208,068 × 208,068
4. Step 4: Simplify right side
   137,436x = 43,292,292,624
5. Step 5: Solve for x
   x = 43,292,292,624/137,436
6. Step 6: Final answer
   x = 314,999.66