Finding the Third Proportional to 757,939 and 1,139,984

Step by Step Solution

1. Step 1: Write the proportion equation
   757,939 : 1,139,984 = 1,139,984 : x
2. Step 2: Convert to fraction form
   757,939/1,139,984 = 1,139,984/x
3. Step 3: Cross multiply
   757,939x = 1,139,984 × 1,139,984
4. Step 4: Simplify right side
   757,939x = 1,299,563,520,256
5. Step 5: Solve for x
   x = 1,299,563,520,256/757,939
6. Step 6: Final answer
   x = 1,714,601.73