Finding the Third Proportional to 33,658.88 and 72,889.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,658.88 : 72,889.88 = 72,889.88 : x
2. Step 2: Convert to fraction form
   33,658.88/72,889.88 = 72,889.88/x
3. Step 3: Cross multiply
   33,658.88x = 72,889.88 × 72,889.88
4. Step 4: Simplify right side
   33,658.88x = 5,312,933,877.52
5. Step 5: Solve for x
   x = 5,312,933,877.52/33,658.88
6. Step 6: Final answer
   x = 157,846.45