Finding the Third Proportional to 684,411 and 1,065,300

Step by Step Solution

1. Step 1: Write the proportion equation
   684,411 : 1,065,300 = 1,065,300 : x
2. Step 2: Convert to fraction form
   684,411/1,065,300 = 1,065,300/x
3. Step 3: Cross multiply
   684,411x = 1,065,300 × 1,065,300
4. Step 4: Simplify right side
   684,411x = 1,134,864,090,000
5. Step 5: Solve for x
   x = 1,134,864,090,000/684,411
6. Step 6: Final answer
   x = 1,658,161.67