Finding the Third Proportional to 102,789 and 140,033.81

Step by Step Solution

1. Step 1: Write the proportion equation
   102,789 : 140,033.81 = 140,033.81 : x
2. Step 2: Convert to fraction form
   102,789/140,033.81 = 140,033.81/x
3. Step 3: Cross multiply
   102,789x = 140,033.81 × 140,033.81
4. Step 4: Simplify right side
   102,789x = 19,609,468,643.29
5. Step 5: Solve for x
   x = 19,609,468,643.29/102,789
6. Step 6: Final answer
   x = 190,774.00