Finding the Third Proportional to 5,309,652 and 8,235,342

Step by Step Solution

1. Step 1: Write the proportion equation
   5,309,652 : 8,235,342 = 8,235,342 : x
2. Step 2: Convert to fraction form
   5,309,652/8,235,342 = 8,235,342/x
3. Step 3: Cross multiply
   5,309,652x = 8,235,342 × 8,235,342
4. Step 4: Simplify right side
   5,309,652x = 67,820,857,856,964
5. Step 5: Solve for x
   x = 67,820,857,856,964/5,309,652
6. Step 6: Final answer
   x = 12,773,126.72