Finding the Third Proportional to 295,870.50 and 648,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   295,870.50 : 648,056.25 = 648,056.25 : x
2. Step 2: Convert to fraction form
   295,870.50/648,056.25 = 648,056.25/x
3. Step 3: Cross multiply
   295,870.50x = 648,056.25 × 648,056.25
4. Step 4: Simplify right side
   295,870.50x = 419,976,903,164.06
5. Step 5: Solve for x
   x = 419,976,903,164.06/295,870.50
6. Step 6: Final answer
   x = 1,419,461.90