Finding the Third Proportional to 2,591,178 and 5,692,500

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,178 : 5,692,500 = 5,692,500 : x
2. Step 2: Convert to fraction form
   2,591,178/5,692,500 = 5,692,500/x
3. Step 3: Cross multiply
   2,591,178x = 5,692,500 × 5,692,500
4. Step 4: Simplify right side
   2,591,178x = 32,404,556,250,000
5. Step 5: Solve for x
   x = 32,404,556,250,000/2,591,178
6. Step 6: Final answer
   x = 12,505,723.75