Finding the Third Proportional to 13,131,594 and 20,978,020

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131,594 : 20,978,020 = 20,978,020 : x
2. Step 2: Convert to fraction form
   13,131,594/20,978,020 = 20,978,020/x
3. Step 3: Cross multiply
   13,131,594x = 20,978,020 × 20,978,020
4. Step 4: Simplify right side
   13,131,594x = 440,077,323,120,400
5. Step 5: Solve for x
   x = 440,077,323,120,400/13,131,594
6. Step 6: Final answer
   x = 33,512,863.95