Finding the Third Proportional to 284,226 and 607,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,226 : 607,837.50 = 607,837.50 : x
2. Step 2: Convert to fraction form
   284,226/607,837.50 = 607,837.50/x
3. Step 3: Cross multiply
   284,226x = 607,837.50 × 607,837.50
4. Step 4: Simplify right side
   284,226x = 369,466,426,406.25
5. Step 5: Solve for x
   x = 369,466,426,406.25/284,226
6. Step 6: Final answer
   x = 1,299,903.69