Finding the Third Proportional to 210,166.50 and 456,054

Step by Step Solution

1. Step 1: Write the proportion equation
   210,166.50 : 456,054 = 456,054 : x
2. Step 2: Convert to fraction form
   210,166.50/456,054 = 456,054/x
3. Step 3: Cross multiply
   210,166.50x = 456,054 × 456,054
4. Step 4: Simplify right side
   210,166.50x = 207,985,250,916
5. Step 5: Solve for x
   x = 207,985,250,916/210,166.50
6. Step 6: Final answer
   x = 989,621.33