Finding the Third Proportional to 285,030 and 605,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,030 : 605,038.50 = 605,038.50 : x
2. Step 2: Convert to fraction form
   285,030/605,038.50 = 605,038.50/x
3. Step 3: Cross multiply
   285,030x = 605,038.50 × 605,038.50
4. Step 4: Simplify right side
   285,030x = 366,071,586,482.25
5. Step 5: Solve for x
   x = 366,071,586,482.25/285,030
6. Step 6: Final answer
   x = 1,284,326.51