Finding the Third Proportional to 407,934 and 883,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,934 : 883,663.50 = 883,663.50 : x
2. Step 2: Convert to fraction form
   407,934/883,663.50 = 883,663.50/x
3. Step 3: Cross multiply
   407,934x = 883,663.50 × 883,663.50
4. Step 4: Simplify right side
   407,934x = 780,861,181,232.25
5. Step 5: Solve for x
   x = 780,861,181,232.25/407,934
6. Step 6: Final answer
   x = 1,914,185.09