Finding the Third Proportional to 189,060 and 449,610

Step by Step Solution

1. Step 1: Write the proportion equation
   189,060 : 449,610 = 449,610 : x
2. Step 2: Convert to fraction form
   189,060/449,610 = 449,610/x
3. Step 3: Cross multiply
   189,060x = 449,610 × 449,610
4. Step 4: Simplify right side
   189,060x = 202,149,152,100
5. Step 5: Solve for x
   x = 202,149,152,100/189,060
6. Step 6: Final answer
   x = 1,069,232.79