Finding the Third Proportional to 7,664,394 and 10,656,615

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664,394 : 10,656,615 = 10,656,615 : x
2. Step 2: Convert to fraction form
   7,664,394/10,656,615 = 10,656,615/x
3. Step 3: Cross multiply
   7,664,394x = 10,656,615 × 10,656,615
4. Step 4: Simplify right side
   7,664,394x = 113,563,443,258,225
5. Step 5: Solve for x
   x = 113,563,443,258,225/7,664,394
6. Step 6: Final answer
   x = 14,817,015.31