Finding the Third Proportional to 11,761,820 and 25,325,780

Step by Step Solution

1. Step 1: Write the proportion equation
   11,761,820 : 25,325,780 = 25,325,780 : x
2. Step 2: Convert to fraction form
   11,761,820/25,325,780 = 25,325,780/x
3. Step 3: Cross multiply
   11,761,820x = 25,325,780 × 25,325,780
4. Step 4: Simplify right side
   11,761,820x = 641,395,132,608,400
5. Step 5: Solve for x
   x = 641,395,132,608,400/11,761,820
6. Step 6: Final answer
   x = 54,531,962.96