Finding the Third Proportional to 886,888 and 1,945,458

Step by Step Solution

1. Step 1: Write the proportion equation
   886,888 : 1,945,458 = 1,945,458 : x
2. Step 2: Convert to fraction form
   886,888/1,945,458 = 1,945,458/x
3. Step 3: Cross multiply
   886,888x = 1,945,458 × 1,945,458
4. Step 4: Simplify right side
   886,888x = 3,784,806,829,764
5. Step 5: Solve for x
   x = 3,784,806,829,764/886,888
6. Step 6: Final answer
   x = 4,267,513.86