Finding the Third Proportional to 683,388 and 1,041,931

Step by Step Solution

1. Step 1: Write the proportion equation
   683,388 : 1,041,931 = 1,041,931 : x
2. Step 2: Convert to fraction form
   683,388/1,041,931 = 1,041,931/x
3. Step 3: Cross multiply
   683,388x = 1,041,931 × 1,041,931
4. Step 4: Simplify right side
   683,388x = 1,085,620,208,761
5. Step 5: Solve for x
   x = 1,085,620,208,761/683,388
6. Step 6: Final answer
   x = 1,588,585.41