Finding the Third Proportional to 81,563 and 124,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,563 : 124,781.50 = 124,781.50 : x
2. Step 2: Convert to fraction form
   81,563/124,781.50 = 124,781.50/x
3. Step 3: Cross multiply
   81,563x = 124,781.50 × 124,781.50
4. Step 4: Simplify right side
   81,563x = 15,570,422,742.25
5. Step 5: Solve for x
   x = 15,570,422,742.25/81,563
6. Step 6: Final answer
   x = 190,900.56