Finding the Third Proportional to 27,343.38 and 42,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,343.38 : 42,837.50 = 42,837.50 : x
2. Step 2: Convert to fraction form
   27,343.38/42,837.50 = 42,837.50/x
3. Step 3: Cross multiply
   27,343.38x = 42,837.50 × 42,837.50
4. Step 4: Simplify right side
   27,343.38x = 1,835,051,406.25
5. Step 5: Solve for x
   x = 1,835,051,406.25/27,343.38
6. Step 6: Final answer
   x = 67,111.37