Finding the Third Proportional to 659,553.75 and 985,449

Step by Step Solution

1. Step 1: Write the proportion equation
   659,553.75 : 985,449 = 985,449 : x
2. Step 2: Convert to fraction form
   659,553.75/985,449 = 985,449/x
3. Step 3: Cross multiply
   659,553.75x = 985,449 × 985,449
4. Step 4: Simplify right side
   659,553.75x = 971,109,731,601
5. Step 5: Solve for x
   x = 971,109,731,601/659,553.75
6. Step 6: Final answer
   x = 1,472,373.91