Finding the Third Proportional to 88,644 and 133,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,644 : 133,054.50 = 133,054.50 : x
2. Step 2: Convert to fraction form
   88,644/133,054.50 = 133,054.50/x
3. Step 3: Cross multiply
   88,644x = 133,054.50 × 133,054.50
4. Step 4: Simplify right side
   88,644x = 17,703,499,970.25
5. Step 5: Solve for x
   x = 17,703,499,970.25/88,644
6. Step 6: Final answer
   x = 199,714.59