Finding the Third Proportional to 199,626 and 291,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,626 : 291,703.50 = 291,703.50 : x
2. Step 2: Convert to fraction form
   199,626/291,703.50 = 291,703.50/x
3. Step 3: Cross multiply
   199,626x = 291,703.50 × 291,703.50
4. Step 4: Simplify right side
   199,626x = 85,090,931,912.25
5. Step 5: Solve for x
   x = 85,090,931,912.25/199,626
6. Step 6: Final answer
   x = 426,251.75