Finding the Third Proportional to 184,590 and 400,691.25

Step by Step Solution

1. Step 1: Write the proportion equation
   184,590 : 400,691.25 = 400,691.25 : x
2. Step 2: Convert to fraction form
   184,590/400,691.25 = 400,691.25/x
3. Step 3: Cross multiply
   184,590x = 400,691.25 × 400,691.25
4. Step 4: Simplify right side
   184,590x = 160,553,477,826.56
5. Step 5: Solve for x
   x = 160,553,477,826.56/184,590
6. Step 6: Final answer
   x = 869,784.27