Finding the Third Proportional to 708,783 and 1,089,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   708,783 : 1,089,424.50 = 1,089,424.50 : x
2. Step 2: Convert to fraction form
   708,783/1,089,424.50 = 1,089,424.50/x
3. Step 3: Cross multiply
   708,783x = 1,089,424.50 × 1,089,424.50
4. Step 4: Simplify right side
   708,783x = 1,186,845,741,200.25
5. Step 5: Solve for x
   x = 1,186,845,741,200.25/708,783
6. Step 6: Final answer
   x = 1,674,483.93