Finding the Third Proportional to 5,672,412 and 12,142,170

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672,412 : 12,142,170 = 12,142,170 : x
2. Step 2: Convert to fraction form
   5,672,412/12,142,170 = 12,142,170/x
3. Step 3: Cross multiply
   5,672,412x = 12,142,170 × 12,142,170
4. Step 4: Simplify right side
   5,672,412x = 147,432,292,308,900
5. Step 5: Solve for x
   x = 147,432,292,308,900/5,672,412
6. Step 6: Final answer
   x = 25,991,111.42