Finding the Third Proportional to 210,302 and 456,098

Step by Step Solution

1. Step 1: Write the proportion equation
   210,302 : 456,098 = 456,098 : x
2. Step 2: Convert to fraction form
   210,302/456,098 = 456,098/x
3. Step 3: Cross multiply
   210,302x = 456,098 × 456,098
4. Step 4: Simplify right side
   210,302x = 208,025,385,604
5. Step 5: Solve for x
   x = 208,025,385,604/210,302
6. Step 6: Final answer
   x = 989,174.55