Finding the Third Proportional to 747,976.78 and 1,089,262.69

Step by Step Solution

1. Step 1: Write the proportion equation
   747,976.78 : 1,089,262.69 = 1,089,262.69 : x
2. Step 2: Convert to fraction form
   747,976.78/1,089,262.69 = 1,089,262.69/x
3. Step 3: Cross multiply
   747,976.78x = 1,089,262.69 × 1,089,262.69
4. Step 4: Simplify right side
   747,976.78x = 1,186,493,202,379.72
5. Step 5: Solve for x
   x = 1,186,493,202,379.72/747,976.78
6. Step 6: Final answer
   x = 1,586,270.10