Finding the Third Proportional to 684,502 and 1,064,088

Step by Step Solution

1. Step 1: Write the proportion equation
   684,502 : 1,064,088 = 1,064,088 : x
2. Step 2: Convert to fraction form
   684,502/1,064,088 = 1,064,088/x
3. Step 3: Cross multiply
   684,502x = 1,064,088 × 1,064,088
4. Step 4: Simplify right side
   684,502x = 1,132,283,271,744
5. Step 5: Solve for x
   x = 1,132,283,271,744/684,502
6. Step 6: Final answer
   x = 1,654,170.87