Finding the Third Proportional to 546,453 and 814,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   546,453 : 814,063.50 = 814,063.50 : x
2. Step 2: Convert to fraction form
   546,453/814,063.50 = 814,063.50/x
3. Step 3: Cross multiply
   546,453x = 814,063.50 × 814,063.50
4. Step 4: Simplify right side
   546,453x = 662,699,382,032.25
5. Step 5: Solve for x
   x = 662,699,382,032.25/546,453
6. Step 6: Final answer
   x = 1,212,728.97