Finding the Third Proportional to 218,150 and 456,064

Step by Step Solution

1. Step 1: Write the proportion equation
   218,150 : 456,064 = 456,064 : x
2. Step 2: Convert to fraction form
   218,150/456,064 = 456,064/x
3. Step 3: Cross multiply
   218,150x = 456,064 × 456,064
4. Step 4: Simplify right side
   218,150x = 207,994,372,096
5. Step 5: Solve for x
   x = 207,994,372,096/218,150
6. Step 6: Final answer
   x = 953,446.58