Finding the Third Proportional to 234,012 and 456,360

Step by Step Solution

1. Step 1: Write the proportion equation
   234,012 : 456,360 = 456,360 : x
2. Step 2: Convert to fraction form
   234,012/456,360 = 456,360/x
3. Step 3: Cross multiply
   234,012x = 456,360 × 456,360
4. Step 4: Simplify right side
   234,012x = 208,264,449,600
5. Step 5: Solve for x
   x = 208,264,449,600/234,012
6. Step 6: Final answer
   x = 889,973.38