Finding the Third Proportional to 186,134.50 and 403,760

Step by Step Solution

1. Step 1: Write the proportion equation
   186,134.50 : 403,760 = 403,760 : x
2. Step 2: Convert to fraction form
   186,134.50/403,760 = 403,760/x
3. Step 3: Cross multiply
   186,134.50x = 403,760 × 403,760
4. Step 4: Simplify right side
   186,134.50x = 163,022,137,600
5. Step 5: Solve for x
   x = 163,022,137,600/186,134.50
6. Step 6: Final answer
   x = 875,829.78