Finding the Third Proportional to 137,065 and 215,063

Step by Step Solution

1. Step 1: Write the proportion equation
   137,065 : 215,063 = 215,063 : x
2. Step 2: Convert to fraction form
   137,065/215,063 = 215,063/x
3. Step 3: Cross multiply
   137,065x = 215,063 × 215,063
4. Step 4: Simplify right side
   137,065x = 46,252,093,969
5. Step 5: Solve for x
   x = 46,252,093,969/137,065
6. Step 6: Final answer
   x = 337,446.42