Finding the Third Proportional to 401,158.50 and 874,263

Step by Step Solution

1. Step 1: Write the proportion equation
   401,158.50 : 874,263 = 874,263 : x
2. Step 2: Convert to fraction form
   401,158.50/874,263 = 874,263/x
3. Step 3: Cross multiply
   401,158.50x = 874,263 × 874,263
4. Step 4: Simplify right side
   401,158.50x = 764,335,793,169
5. Step 5: Solve for x
   x = 764,335,793,169/401,158.50
6. Step 6: Final answer
   x = 1,905,321.20