Finding the Third Proportional to 285,507 and 634,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,507 : 634,846.50 = 634,846.50 : x
2. Step 2: Convert to fraction form
   285,507/634,846.50 = 634,846.50/x
3. Step 3: Cross multiply
   285,507x = 634,846.50 × 634,846.50
4. Step 4: Simplify right side
   285,507x = 403,030,078,562.25
5. Step 5: Solve for x
   x = 403,030,078,562.25/285,507
6. Step 6: Final answer
   x = 1,411,629.41