Finding the Third Proportional to 84,066.61 and 181,870.31

Step by Step Solution

1. Step 1: Write the proportion equation
   84,066.61 : 181,870.31 = 181,870.31 : x
2. Step 2: Convert to fraction form
   84,066.61/181,870.31 = 181,870.31/x
3. Step 3: Cross multiply
   84,066.61x = 181,870.31 × 181,870.31
4. Step 4: Simplify right side
   84,066.61x = 33,076,810,568.85
5. Step 5: Solve for x
   x = 33,076,810,568.85/84,066.61
6. Step 6: Final answer
   x = 393,459.55