Finding the Third Proportional to 1,172,664 and 2,555,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,664 : 2,555,172 = 2,555,172 : x
2. Step 2: Convert to fraction form
   1,172,664/2,555,172 = 2,555,172/x
3. Step 3: Cross multiply
   1,172,664x = 2,555,172 × 2,555,172
4. Step 4: Simplify right side
   1,172,664x = 6,528,903,949,584
5. Step 5: Solve for x
   x = 6,528,903,949,584/1,172,664
6. Step 6: Final answer
   x = 5,567,582.83