Finding the Third Proportional to 341,890.88 and 743,985

Step by Step Solution

1. Step 1: Write the proportion equation
   341,890.88 : 743,985 = 743,985 : x
2. Step 2: Convert to fraction form
   341,890.88/743,985 = 743,985/x
3. Step 3: Cross multiply
   341,890.88x = 743,985 × 743,985
4. Step 4: Simplify right side
   341,890.88x = 553,513,680,225
5. Step 5: Solve for x
   x = 553,513,680,225/341,890.88
6. Step 6: Final answer
   x = 1,618,977.63