Finding the Third Proportional to 72,418.50 and 104,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,418.50 : 104,881.50 = 104,881.50 : x
2. Step 2: Convert to fraction form
   72,418.50/104,881.50 = 104,881.50/x
3. Step 3: Cross multiply
   72,418.50x = 104,881.50 × 104,881.50
4. Step 4: Simplify right side
   72,418.50x = 11,000,129,042.25
5. Step 5: Solve for x
   x = 11,000,129,042.25/72,418.50
6. Step 6: Final answer
   x = 151,896.67