Finding the Third Proportional to 210,370.50 and 456,003

Step by Step Solution

1. Step 1: Write the proportion equation
   210,370.50 : 456,003 = 456,003 : x
2. Step 2: Convert to fraction form
   210,370.50/456,003 = 456,003/x
3. Step 3: Cross multiply
   210,370.50x = 456,003 × 456,003
4. Step 4: Simplify right side
   210,370.50x = 207,938,736,009
5. Step 5: Solve for x
   x = 207,938,736,009/210,370.50
6. Step 6: Final answer
   x = 988,440.57