Finding the Third Proportional to 21,375,685 and 35,380,012

Step by Step Solution

1. Step 1: Write the proportion equation
   21,375,685 : 35,380,012 = 35,380,012 : x
2. Step 2: Convert to fraction form
   21,375,685/35,380,012 = 35,380,012/x
3. Step 3: Cross multiply
   21,375,685x = 35,380,012 × 35,380,012
4. Step 4: Simplify right side
   21,375,685x = 1,251,745,249,120,144
5. Step 5: Solve for x
   x = 1,251,745,249,120,144/21,375,685
6. Step 6: Final answer
   x = 58,559,304.61