Finding the Third Proportional to 84,931.50 and 181,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,931.50 : 181,891.50 = 181,891.50 : x
2. Step 2: Convert to fraction form
   84,931.50/181,891.50 = 181,891.50/x
3. Step 3: Cross multiply
   84,931.50x = 181,891.50 × 181,891.50
4. Step 4: Simplify right side
   84,931.50x = 33,084,517,772.25
5. Step 5: Solve for x
   x = 33,084,517,772.25/84,931.50
6. Step 6: Final answer
   x = 389,543.55