Finding the Third Proportional to 190,146 and 284,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,146 : 284,626.50 = 284,626.50 : x
2. Step 2: Convert to fraction form
   190,146/284,626.50 = 284,626.50/x
3. Step 3: Cross multiply
   190,146x = 284,626.50 × 284,626.50
4. Step 4: Simplify right side
   190,146x = 81,012,244,502.25
5. Step 5: Solve for x
   x = 81,012,244,502.25/190,146
6. Step 6: Final answer
   x = 426,052.85