Finding the Third Proportional to 675,516 and 1,054,172

Step by Step Solution

1. Step 1: Write the proportion equation
   675,516 : 1,054,172 = 1,054,172 : x
2. Step 2: Convert to fraction form
   675,516/1,054,172 = 1,054,172/x
3. Step 3: Cross multiply
   675,516x = 1,054,172 × 1,054,172
4. Step 4: Simplify right side
   675,516x = 1,111,278,605,584
5. Step 5: Solve for x
   x = 1,111,278,605,584/675,516
6. Step 6: Final answer
   x = 1,645,081.10