Finding the Third Proportional to 711,260 and 1,090,647

Step by Step Solution

1. Step 1: Write the proportion equation
   711,260 : 1,090,647 = 1,090,647 : x
2. Step 2: Convert to fraction form
   711,260/1,090,647 = 1,090,647/x
3. Step 3: Cross multiply
   711,260x = 1,090,647 × 1,090,647
4. Step 4: Simplify right side
   711,260x = 1,189,510,878,609
5. Step 5: Solve for x
   x = 1,189,510,878,609/711,260
6. Step 6: Final answer
   x = 1,672,399.51