Finding the Third Proportional to 27,239 and 42,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,239 : 42,801.50 = 42,801.50 : x
2. Step 2: Convert to fraction form
   27,239/42,801.50 = 42,801.50/x
3. Step 3: Cross multiply
   27,239x = 42,801.50 × 42,801.50
4. Step 4: Simplify right side
   27,239x = 1,831,968,402.25
5. Step 5: Solve for x
   x = 1,831,968,402.25/27,239
6. Step 6: Final answer
   x = 67,255.35