Finding the Third Proportional to 91,379.25 and 137,070

Step by Step Solution

1. Step 1: Write the proportion equation
   91,379.25 : 137,070 = 137,070 : x
2. Step 2: Convert to fraction form
   91,379.25/137,070 = 137,070/x
3. Step 3: Cross multiply
   91,379.25x = 137,070 × 137,070
4. Step 4: Simplify right side
   91,379.25x = 18,788,184,900
5. Step 5: Solve for x
   x = 18,788,184,900/91,379.25
6. Step 6: Final answer
   x = 205,606.69