Finding the Third Proportional to 4,047,358 and 8,257,290

Step by Step Solution

1. Step 1: Write the proportion equation
   4,047,358 : 8,257,290 = 8,257,290 : x
2. Step 2: Convert to fraction form
   4,047,358/8,257,290 = 8,257,290/x
3. Step 3: Cross multiply
   4,047,358x = 8,257,290 × 8,257,290
4. Step 4: Simplify right side
   4,047,358x = 68,182,838,144,100
5. Step 5: Solve for x
   x = 68,182,838,144,100/4,047,358
6. Step 6: Final answer
   x = 16,846,258.26