Finding the Third Proportional to 210,298.50 and 456,093

Step by Step Solution

1. Step 1: Write the proportion equation
   210,298.50 : 456,093 = 456,093 : x
2. Step 2: Convert to fraction form
   210,298.50/456,093 = 456,093/x
3. Step 3: Cross multiply
   210,298.50x = 456,093 × 456,093
4. Step 4: Simplify right side
   210,298.50x = 208,020,824,649
5. Step 5: Solve for x
   x = 208,020,824,649/210,298.50
6. Step 6: Final answer
   x = 989,169.32