Finding the Third Proportional to 85,606.50 and 184,389

Step by Step Solution

1. Step 1: Write the proportion equation
   85,606.50 : 184,389 = 184,389 : x
2. Step 2: Convert to fraction form
   85,606.50/184,389 = 184,389/x
3. Step 3: Cross multiply
   85,606.50x = 184,389 × 184,389
4. Step 4: Simplify right side
   85,606.50x = 33,999,303,321
5. Step 5: Solve for x
   x = 33,999,303,321/85,606.50
6. Step 6: Final answer
   x = 397,157.96