Finding the Third Proportional to 218,869.50 and 452,904

Step by Step Solution

1. Step 1: Write the proportion equation
   218,869.50 : 452,904 = 452,904 : x
2. Step 2: Convert to fraction form
   218,869.50/452,904 = 452,904/x
3. Step 3: Cross multiply
   218,869.50x = 452,904 × 452,904
4. Step 4: Simplify right side
   218,869.50x = 205,122,033,216
5. Step 5: Solve for x
   x = 205,122,033,216/218,869.50
6. Step 6: Final answer
   x = 937,188.75