Finding the Third Proportional to 5,346,536 and 8,291,292

Step by Step Solution

1. Step 1: Write the proportion equation
   5,346,536 : 8,291,292 = 8,291,292 : x
2. Step 2: Convert to fraction form
   5,346,536/8,291,292 = 8,291,292/x
3. Step 3: Cross multiply
   5,346,536x = 8,291,292 × 8,291,292
4. Step 4: Simplify right side
   5,346,536x = 68,745,523,029,264
5. Step 5: Solve for x
   x = 68,745,523,029,264/5,346,536
6. Step 6: Final answer
   x = 12,857,955.70