Finding the Third Proportional to 694,843 and 1,038,172

Step by Step Solution

1. Step 1: Write the proportion equation
   694,843 : 1,038,172 = 1,038,172 : x
2. Step 2: Convert to fraction form
   694,843/1,038,172 = 1,038,172/x
3. Step 3: Cross multiply
   694,843x = 1,038,172 × 1,038,172
4. Step 4: Simplify right side
   694,843x = 1,077,801,101,584
5. Step 5: Solve for x
   x = 1,077,801,101,584/694,843
6. Step 6: Final answer
   x = 1,551,143.35