Finding the Third Proportional to 186,985.50 and 402,483

Step by Step Solution

1. Step 1: Write the proportion equation
   186,985.50 : 402,483 = 402,483 : x
2. Step 2: Convert to fraction form
   186,985.50/402,483 = 402,483/x
3. Step 3: Cross multiply
   186,985.50x = 402,483 × 402,483
4. Step 4: Simplify right side
   186,985.50x = 161,992,565,289
5. Step 5: Solve for x
   x = 161,992,565,289/186,985.50
6. Step 6: Final answer
   x = 866,337.58