Finding the Third Proportional to 857,848,342.50 and 1,325,594,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   857,848,342.50 : 1,325,594,434.50 = 1,325,594,434.50 : x
2. Step 2: Convert to fraction form
   857,848,342.50/1,325,594,434.50 = 1,325,594,434.50/x
3. Step 3: Cross multiply
   857,848,342.50x = 1,325,594,434.50 × 1,325,594,434.50
4. Step 4: Simplify right side
   857,848,342.50x = 1,757,200,604,777,374,720
5. Step 5: Solve for x
   x = 1,757,200,604,777,374,720/857,848,342.50
6. Step 6: Final answer
   x = 2,048,381,418.63