Finding the Third Proportional to 6,553,290 and 10,257,615

Step by Step Solution

1. Step 1: Write the proportion equation
   6,553,290 : 10,257,615 = 10,257,615 : x
2. Step 2: Convert to fraction form
   6,553,290/10,257,615 = 10,257,615/x
3. Step 3: Cross multiply
   6,553,290x = 10,257,615 × 10,257,615
4. Step 4: Simplify right side
   6,553,290x = 105,218,665,488,225
5. Step 5: Solve for x
   x = 105,218,665,488,225/6,553,290
6. Step 6: Final answer
   x = 16,055,853.70