Finding the Third Proportional to 776,743.50 and 1,665,375

Step by Step Solution

1. Step 1: Write the proportion equation
   776,743.50 : 1,665,375 = 1,665,375 : x
2. Step 2: Convert to fraction form
   776,743.50/1,665,375 = 1,665,375/x
3. Step 3: Cross multiply
   776,743.50x = 1,665,375 × 1,665,375
4. Step 4: Simplify right side
   776,743.50x = 2,773,473,890,625
5. Step 5: Solve for x
   x = 2,773,473,890,625/776,743.50
6. Step 6: Final answer
   x = 3,570,643.19