Finding the Third Proportional to 9,367,494.75 and 19,971,738

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367,494.75 : 19,971,738 = 19,971,738 : x
2. Step 2: Convert to fraction form
   9,367,494.75/19,971,738 = 19,971,738/x
3. Step 3: Cross multiply
   9,367,494.75x = 19,971,738 × 19,971,738
4. Step 4: Simplify right side
   9,367,494.75x = 398,870,318,740,644
5. Step 5: Solve for x
   x = 398,870,318,740,644/9,367,494.75
6. Step 6: Final answer
   x = 42,580,255.38