Finding the Third Proportional to 427,305 and 634,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   427,305 : 634,369.50 = 634,369.50 : x
2. Step 2: Convert to fraction form
   427,305/634,369.50 = 634,369.50/x
3. Step 3: Cross multiply
   427,305x = 634,369.50 × 634,369.50
4. Step 4: Simplify right side
   427,305x = 402,424,662,530.25
5. Step 5: Solve for x
   x = 402,424,662,530.25/427,305
6. Step 6: Final answer
   x = 941,773.82