Finding the Third Proportional to 33,857.25 and 72,917.63

Step by Step Solution

1. Step 1: Write the proportion equation
   33,857.25 : 72,917.63 = 72,917.63 : x
2. Step 2: Convert to fraction form
   33,857.25/72,917.63 = 72,917.63/x
3. Step 3: Cross multiply
   33,857.25x = 72,917.63 × 72,917.63
4. Step 4: Simplify right side
   33,857.25x = 5,316,980,035.64
5. Step 5: Solve for x
   x = 5,316,980,035.64/33,857.25
6. Step 6: Final answer
   x = 157,041.11