Finding the Third Proportional to 81,564 and 124,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,564 : 124,783.50 = 124,783.50 : x
2. Step 2: Convert to fraction form
   81,564/124,783.50 = 124,783.50/x
3. Step 3: Cross multiply
   81,564x = 124,783.50 × 124,783.50
4. Step 4: Simplify right side
   81,564x = 15,570,921,872.25
5. Step 5: Solve for x
   x = 15,570,921,872.25/81,564
6. Step 6: Final answer
   x = 190,904.34