Finding the Third Proportional to 5,608,719 and 12,200,139

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608,719 : 12,200,139 = 12,200,139 : x
2. Step 2: Convert to fraction form
   5,608,719/12,200,139 = 12,200,139/x
3. Step 3: Cross multiply
   5,608,719x = 12,200,139 × 12,200,139
4. Step 4: Simplify right side
   5,608,719x = 148,843,391,619,321
5. Step 5: Solve for x
   x = 148,843,391,619,321/5,608,719
6. Step 6: Final answer
   x = 26,537,858.58