Finding the Third Proportional to 208,212.50 and 452,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,212.50 : 452,100.50 = 452,100.50 : x
2. Step 2: Convert to fraction form
   208,212.50/452,100.50 = 452,100.50/x
3. Step 3: Cross multiply
   208,212.50x = 452,100.50 × 452,100.50
4. Step 4: Simplify right side
   208,212.50x = 204,394,862,100.25
5. Step 5: Solve for x
   x = 204,394,862,100.25/208,212.50
6. Step 6: Final answer
   x = 981,664.70