Finding the Third Proportional to 5,354,340 and 8,156,976

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,340 : 8,156,976 = 8,156,976 : x
2. Step 2: Convert to fraction form
   5,354,340/8,156,976 = 8,156,976/x
3. Step 3: Cross multiply
   5,354,340x = 8,156,976 × 8,156,976
4. Step 4: Simplify right side
   5,354,340x = 66,536,257,464,576
5. Step 5: Solve for x
   x = 66,536,257,464,576/5,354,340
6. Step 6: Final answer
   x = 12,426,602.99