Finding the Third Proportional to 721,842.50 and 1,009,150

Step by Step Solution

1. Step 1: Write the proportion equation
   721,842.50 : 1,009,150 = 1,009,150 : x
2. Step 2: Convert to fraction form
   721,842.50/1,009,150 = 1,009,150/x
3. Step 3: Cross multiply
   721,842.50x = 1,009,150 × 1,009,150
4. Step 4: Simplify right side
   721,842.50x = 1,018,383,722,500
5. Step 5: Solve for x
   x = 1,018,383,722,500/721,842.50
6. Step 6: Final answer
   x = 1,410,811.53