Finding the Third Proportional to 407,646 and 885,523.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,646 : 885,523.50 = 885,523.50 : x
2. Step 2: Convert to fraction form
   407,646/885,523.50 = 885,523.50/x
3. Step 3: Cross multiply
   407,646x = 885,523.50 × 885,523.50
4. Step 4: Simplify right side
   407,646x = 784,151,869,052.25
5. Step 5: Solve for x
   x = 784,151,869,052.25/407,646
6. Step 6: Final answer
   x = 1,923,609.87