Finding the Third Proportional to 643,714.50 and 973,857

Step by Step Solution

1. Step 1: Write the proportion equation
   643,714.50 : 973,857 = 973,857 : x
2. Step 2: Convert to fraction form
   643,714.50/973,857 = 973,857/x
3. Step 3: Cross multiply
   643,714.50x = 973,857 × 973,857
4. Step 4: Simplify right side
   643,714.50x = 948,397,456,449
5. Step 5: Solve for x
   x = 948,397,456,449/643,714.50
6. Step 6: Final answer
   x = 1,473,320.01