Finding the Third Proportional to 403,542 and 885,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,542 : 885,451.50 = 885,451.50 : x
2. Step 2: Convert to fraction form
   403,542/885,451.50 = 885,451.50/x
3. Step 3: Cross multiply
   403,542x = 885,451.50 × 885,451.50
4. Step 4: Simplify right side
   403,542x = 784,024,358,852.25
5. Step 5: Solve for x
   x = 784,024,358,852.25/403,542
6. Step 6: Final answer
   x = 1,942,856.90