Finding the Third Proportional to 709,139 and 1,064,434

Step by Step Solution

1. Step 1: Write the proportion equation
   709,139 : 1,064,434 = 1,064,434 : x
2. Step 2: Convert to fraction form
   709,139/1,064,434 = 1,064,434/x
3. Step 3: Cross multiply
   709,139x = 1,064,434 × 1,064,434
4. Step 4: Simplify right side
   709,139x = 1,133,019,740,356
5. Step 5: Solve for x
   x = 1,133,019,740,356/709,139
6. Step 6: Final answer
   x = 1,597,739.99