Finding the Third Proportional to 33,637.78 and 72,801.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,637.78 : 72,801.28 = 72,801.28 : x
2. Step 2: Convert to fraction form
   33,637.78/72,801.28 = 72,801.28/x
3. Step 3: Cross multiply
   33,637.78x = 72,801.28 × 72,801.28
4. Step 4: Simplify right side
   33,637.78x = 5,300,026,551.64
5. Step 5: Solve for x
   x = 5,300,026,551.64/33,637.78
6. Step 6: Final answer
   x = 157,561.72