Finding the Third Proportional to 213,303.75 and 456,132

Step by Step Solution

1. Step 1: Write the proportion equation
   213,303.75 : 456,132 = 456,132 : x
2. Step 2: Convert to fraction form
   213,303.75/456,132 = 456,132/x
3. Step 3: Cross multiply
   213,303.75x = 456,132 × 456,132
4. Step 4: Simplify right side
   213,303.75x = 208,056,401,424
5. Step 5: Solve for x
   x = 208,056,401,424/213,303.75
6. Step 6: Final answer
   x = 975,399.64