Finding the Third Proportional to 703,984 and 1,090,564

Step by Step Solution

1. Step 1: Write the proportion equation
   703,984 : 1,090,564 = 1,090,564 : x
2. Step 2: Convert to fraction form
   703,984/1,090,564 = 1,090,564/x
3. Step 3: Cross multiply
   703,984x = 1,090,564 × 1,090,564
4. Step 4: Simplify right side
   703,984x = 1,189,329,838,096
5. Step 5: Solve for x
   x = 1,189,329,838,096/703,984
6. Step 6: Final answer
   x = 1,689,427.37