Finding the Third Proportional to 189,064 and 449,620

Step by Step Solution

1. Step 1: Write the proportion equation
   189,064 : 449,620 = 449,620 : x
2. Step 2: Convert to fraction form
   189,064/449,620 = 449,620/x
3. Step 3: Cross multiply
   189,064x = 449,620 × 449,620
4. Step 4: Simplify right side
   189,064x = 202,158,144,400
5. Step 5: Solve for x
   x = 202,158,144,400/189,064
6. Step 6: Final answer
   x = 1,069,257.73