Finding the Third Proportional to 763,272 and 1,036,586

Step by Step Solution

1. Step 1: Write the proportion equation
   763,272 : 1,036,586 = 1,036,586 : x
2. Step 2: Convert to fraction form
   763,272/1,036,586 = 1,036,586/x
3. Step 3: Cross multiply
   763,272x = 1,036,586 × 1,036,586
4. Step 4: Simplify right side
   763,272x = 1,074,510,535,396
5. Step 5: Solve for x
   x = 1,074,510,535,396/763,272
6. Step 6: Final answer
   x = 1,407,768.84