Finding the Third Proportional to 64,998 and 141,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,998 : 141,092.50 = 141,092.50 : x
2. Step 2: Convert to fraction form
   64,998/141,092.50 = 141,092.50/x
3. Step 3: Cross multiply
   64,998x = 141,092.50 × 141,092.50
4. Step 4: Simplify right side
   64,998x = 19,907,093,556.25
5. Step 5: Solve for x
   x = 19,907,093,556.25/64,998
6. Step 6: Final answer
   x = 306,272.40