Finding the Third Proportional to 84,690.72 and 181,606.43

Step by Step Solution

1. Step 1: Write the proportion equation
   84,690.72 : 181,606.43 = 181,606.43 : x
2. Step 2: Convert to fraction form
   84,690.72/181,606.43 = 181,606.43/x
3. Step 3: Cross multiply
   84,690.72x = 181,606.43 × 181,606.43
4. Step 4: Simplify right side
   84,690.72x = 32,980,895,303.84
5. Step 5: Solve for x
   x = 32,980,895,303.84/84,690.72
6. Step 6: Final answer
   x = 389,427.50