Finding the Third Proportional to 684,486 and 1,064,061

Step by Step Solution

1. Step 1: Write the proportion equation
   684,486 : 1,064,061 = 1,064,061 : x
2. Step 2: Convert to fraction form
   684,486/1,064,061 = 1,064,061/x
3. Step 3: Cross multiply
   684,486x = 1,064,061 × 1,064,061
4. Step 4: Simplify right side
   684,486x = 1,132,225,811,721
5. Step 5: Solve for x
   x = 1,132,225,811,721/684,486
6. Step 6: Final answer
   x = 1,654,125.59