Finding the Third Proportional to 386,642.53 and 848,934

Step by Step Solution

1. Step 1: Write the proportion equation
   386,642.53 : 848,934 = 848,934 : x
2. Step 2: Convert to fraction form
   386,642.53/848,934 = 848,934/x
3. Step 3: Cross multiply
   386,642.53x = 848,934 × 848,934
4. Step 4: Simplify right side
   386,642.53x = 720,688,936,356
5. Step 5: Solve for x
   x = 720,688,936,356/386,642.53
6. Step 6: Final answer
   x = 1,863,967.04