Finding the Third Proportional to 190,134 and 403,589.25

Step by Step Solution

1. Step 1: Write the proportion equation
   190,134 : 403,589.25 = 403,589.25 : x
2. Step 2: Convert to fraction form
   190,134/403,589.25 = 403,589.25/x
3. Step 3: Cross multiply
   190,134x = 403,589.25 × 403,589.25
4. Step 4: Simplify right side
   190,134x = 162,884,282,715.56
5. Step 5: Solve for x
   x = 162,884,282,715.56/190,134
6. Step 6: Final answer
   x = 856,681.51