Finding the Third Proportional to 401,061 and 856,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,061 : 856,243.50 = 856,243.50 : x
2. Step 2: Convert to fraction form
   401,061/856,243.50 = 856,243.50/x
3. Step 3: Cross multiply
   401,061x = 856,243.50 × 856,243.50
4. Step 4: Simplify right side
   401,061x = 733,152,931,292.25
5. Step 5: Solve for x
   x = 733,152,931,292.25/401,061
6. Step 6: Final answer
   x = 1,828,033.47