Finding the Third Proportional to 633,388.69 and 981,578.06

Step by Step Solution

1. Step 1: Write the proportion equation
   633,388.69 : 981,578.06 = 981,578.06 : x
2. Step 2: Convert to fraction form
   633,388.69/981,578.06 = 981,578.06/x
3. Step 3: Cross multiply
   633,388.69x = 981,578.06 × 981,578.06
4. Step 4: Simplify right side
   633,388.69x = 963,495,492,781.25
5. Step 5: Solve for x
   x = 963,495,492,781.25/633,388.69
6. Step 6: Final answer
   x = 1,521,175.72