Finding the Third Proportional to 282,541.50 and 618,219

Step by Step Solution

1. Step 1: Write the proportion equation
   282,541.50 : 618,219 = 618,219 : x
2. Step 2: Convert to fraction form
   282,541.50/618,219 = 618,219/x
3. Step 3: Cross multiply
   282,541.50x = 618,219 × 618,219
4. Step 4: Simplify right side
   282,541.50x = 382,194,731,961
5. Step 5: Solve for x
   x = 382,194,731,961/282,541.50
6. Step 6: Final answer
   x = 1,352,702.99