Finding the Third Proportional to 184,863 and 378,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,863 : 378,487.50 = 378,487.50 : x
2. Step 2: Convert to fraction form
   184,863/378,487.50 = 378,487.50/x
3. Step 3: Cross multiply
   184,863x = 378,487.50 × 378,487.50
4. Step 4: Simplify right side
   184,863x = 143,252,787,656.25
5. Step 5: Solve for x
   x = 143,252,787,656.25/184,863
6. Step 6: Final answer
   x = 774,913.25