Finding the Third Proportional to 2,621,814,368.63 and 5,617,597,124.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,814,368.63 : 5,617,597,124.25 = 5,617,597,124.25 : x
2. Step 2: Convert to fraction form
   2,621,814,368.63/5,617,597,124.25 = 5,617,597,124.25/x
3. Step 3: Cross multiply
   2,621,814,368.63x = 5,617,597,124.25 × 5,617,597,124.25
4. Step 4: Simplify right side
   2,621,814,368.63x = 31,557,397,450,381,869,056
5. Step 5: Solve for x
   x = 31,557,397,450,381,869,056/2,621,814,368.63
6. Step 6: Final answer
   x = 12,036,472,844.16