Finding the Third Proportional to 339,798 and 731,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   339,798 : 731,667.75 = 731,667.75 : x
2. Step 2: Convert to fraction form
   339,798/731,667.75 = 731,667.75/x
3. Step 3: Cross multiply
   339,798x = 731,667.75 × 731,667.75
4. Step 4: Simplify right side
   339,798x = 535,337,696,390.06
5. Step 5: Solve for x
   x = 535,337,696,390.06/339,798
6. Step 6: Final answer
   x = 1,575,458.64