Finding the Third Proportional to 694,839 and 1,038,168

Step by Step Solution

1. Step 1: Write the proportion equation
   694,839 : 1,038,168 = 1,038,168 : x
2. Step 2: Convert to fraction form
   694,839/1,038,168 = 1,038,168/x
3. Step 3: Cross multiply
   694,839x = 1,038,168 × 1,038,168
4. Step 4: Simplify right side
   694,839x = 1,077,792,796,224
5. Step 5: Solve for x
   x = 1,077,792,796,224/694,839
6. Step 6: Final answer
   x = 1,551,140.33