Finding the Third Proportional to 648,459 and 1,035,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,459 : 1,035,928.50 = 1,035,928.50 : x
2. Step 2: Convert to fraction form
   648,459/1,035,928.50 = 1,035,928.50/x
3. Step 3: Cross multiply
   648,459x = 1,035,928.50 × 1,035,928.50
4. Step 4: Simplify right side
   648,459x = 1,073,147,857,112.25
5. Step 5: Solve for x
   x = 1,073,147,857,112.25/648,459
6. Step 6: Final answer
   x = 1,654,920.14