Finding the Third Proportional to 1,777,577.50 and 3,939,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777,577.50 : 3,939,513.50 = 3,939,513.50 : x
2. Step 2: Convert to fraction form
   1,777,577.50/3,939,513.50 = 3,939,513.50/x
3. Step 3: Cross multiply
   1,777,577.50x = 3,939,513.50 × 3,939,513.50
4. Step 4: Simplify right side
   1,777,577.50x = 15,519,766,616,682.25
5. Step 5: Solve for x
   x = 15,519,766,616,682.25/1,777,577.50
6. Step 6: Final answer
   x = 8,730,852.31