Finding the Third Proportional to 213,546 and 453,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   213,546 : 453,430.50 = 453,430.50 : x
2. Step 2: Convert to fraction form
   213,546/453,430.50 = 453,430.50/x
3. Step 3: Cross multiply
   213,546x = 453,430.50 × 453,430.50
4. Step 4: Simplify right side
   213,546x = 205,599,218,330.25
5. Step 5: Solve for x
   x = 205,599,218,330.25/213,546
6. Step 6: Final answer
   x = 962,786.56