Finding the Third Proportional to 905,007 and 1,787,172

Step by Step Solution

1. Step 1: Write the proportion equation
   905,007 : 1,787,172 = 1,787,172 : x
2. Step 2: Convert to fraction form
   905,007/1,787,172 = 1,787,172/x
3. Step 3: Cross multiply
   905,007x = 1,787,172 × 1,787,172
4. Step 4: Simplify right side
   905,007x = 3,193,983,757,584
5. Step 5: Solve for x
   x = 3,193,983,757,584/905,007
6. Step 6: Final answer
   x = 3,529,236.52