Finding the Third Proportional to 877,772 and 1,886,488

Step by Step Solution

1. Step 1: Write the proportion equation
   877,772 : 1,886,488 = 1,886,488 : x
2. Step 2: Convert to fraction form
   877,772/1,886,488 = 1,886,488/x
3. Step 3: Cross multiply
   877,772x = 1,886,488 × 1,886,488
4. Step 4: Simplify right side
   877,772x = 3,558,836,974,144
5. Step 5: Solve for x
   x = 3,558,836,974,144/877,772
6. Step 6: Final answer
   x = 4,054,397.92