Finding the Third Proportional to 5,406,600 and 12,571,716

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406,600 : 12,571,716 = 12,571,716 : x
2. Step 2: Convert to fraction form
   5,406,600/12,571,716 = 12,571,716/x
3. Step 3: Cross multiply
   5,406,600x = 12,571,716 × 12,571,716
4. Step 4: Simplify right side
   5,406,600x = 158,048,043,184,656
5. Step 5: Solve for x
   x = 158,048,043,184,656/5,406,600
6. Step 6: Final answer
   x = 29,232,427.62