Finding the Third Proportional to 670,126 and 1,036,309

Step by Step Solution

1. Step 1: Write the proportion equation
   670,126 : 1,036,309 = 1,036,309 : x
2. Step 2: Convert to fraction form
   670,126/1,036,309 = 1,036,309/x
3. Step 3: Cross multiply
   670,126x = 1,036,309 × 1,036,309
4. Step 4: Simplify right side
   670,126x = 1,073,936,343,481
5. Step 5: Solve for x
   x = 1,073,936,343,481/670,126
6. Step 6: Final answer
   x = 1,602,588.68