Finding the Third Proportional to 186,475.50 and 402,435

Step by Step Solution

1. Step 1: Write the proportion equation
   186,475.50 : 402,435 = 402,435 : x
2. Step 2: Convert to fraction form
   186,475.50/402,435 = 402,435/x
3. Step 3: Cross multiply
   186,475.50x = 402,435 × 402,435
4. Step 4: Simplify right side
   186,475.50x = 161,953,929,225
5. Step 5: Solve for x
   x = 161,953,929,225/186,475.50
6. Step 6: Final answer
   x = 868,499.77