Finding the Third Proportional to 400,176 and 610,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   400,176 : 610,429.50 = 610,429.50 : x
2. Step 2: Convert to fraction form
   400,176/610,429.50 = 610,429.50/x
3. Step 3: Cross multiply
   400,176x = 610,429.50 × 610,429.50
4. Step 4: Simplify right side
   400,176x = 372,624,174,470.25
5. Step 5: Solve for x
   x = 372,624,174,470.25/400,176
6. Step 6: Final answer
   x = 931,150.73