Finding the Third Proportional to 27,136.69 and 42,442.31

Step by Step Solution

1. Step 1: Write the proportion equation
   27,136.69 : 42,442.31 = 42,442.31 : x
2. Step 2: Convert to fraction form
   27,136.69/42,442.31 = 42,442.31/x
3. Step 3: Cross multiply
   27,136.69x = 42,442.31 × 42,442.31
4. Step 4: Simplify right side
   27,136.69x = 1,801,349,890.35
5. Step 5: Solve for x
   x = 1,801,349,890.35/27,136.69
6. Step 6: Final answer
   x = 66,380.61