Finding the Third Proportional to 648,330 and 951,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,330 : 951,475.50 = 951,475.50 : x
2. Step 2: Convert to fraction form
   648,330/951,475.50 = 951,475.50/x
3. Step 3: Cross multiply
   648,330x = 951,475.50 × 951,475.50
4. Step 4: Simplify right side
   648,330x = 905,305,627,100.25
5. Step 5: Solve for x
   x = 905,305,627,100.25/648,330
6. Step 6: Final answer
   x = 1,396,365.47