Finding the Third Proportional to 184,345.50 and 387,240

Step by Step Solution

1. Step 1: Write the proportion equation
   184,345.50 : 387,240 = 387,240 : x
2. Step 2: Convert to fraction form
   184,345.50/387,240 = 387,240/x
3. Step 3: Cross multiply
   184,345.50x = 387,240 × 387,240
4. Step 4: Simplify right side
   184,345.50x = 149,954,817,600
5. Step 5: Solve for x
   x = 149,954,817,600/184,345.50
6. Step 6: Final answer
   x = 813,444.42