Finding the Third Proportional to 213,706.50 and 456,015

Step by Step Solution

1. Step 1: Write the proportion equation
   213,706.50 : 456,015 = 456,015 : x
2. Step 2: Convert to fraction form
   213,706.50/456,015 = 456,015/x
3. Step 3: Cross multiply
   213,706.50x = 456,015 × 456,015
4. Step 4: Simplify right side
   213,706.50x = 207,949,680,225
5. Step 5: Solve for x
   x = 207,949,680,225/213,706.50
6. Step 6: Final answer
   x = 973,062.03