Finding the Third Proportional to 184,246.50 and 390,636

Step by Step Solution

1. Step 1: Write the proportion equation
   184,246.50 : 390,636 = 390,636 : x
2. Step 2: Convert to fraction form
   184,246.50/390,636 = 390,636/x
3. Step 3: Cross multiply
   184,246.50x = 390,636 × 390,636
4. Step 4: Simplify right side
   184,246.50x = 152,596,484,496
5. Step 5: Solve for x
   x = 152,596,484,496/184,246.50
6. Step 6: Final answer
   x = 828,219.18