Finding the Third Proportional to 284,883 and 607,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,883 : 607,903.50 = 607,903.50 : x
2. Step 2: Convert to fraction form
   284,883/607,903.50 = 607,903.50/x
3. Step 3: Cross multiply
   284,883x = 607,903.50 × 607,903.50
4. Step 4: Simplify right side
   284,883x = 369,546,665,312.25
5. Step 5: Solve for x
   x = 369,546,665,312.25/284,883
6. Step 6: Final answer
   x = 1,297,187.50