Finding the Third Proportional to 1,271,379.50 and 3,000,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,379.50 : 3,000,647.50 = 3,000,647.50 : x
2. Step 2: Convert to fraction form
   1,271,379.50/3,000,647.50 = 3,000,647.50/x
3. Step 3: Cross multiply
   1,271,379.50x = 3,000,647.50 × 3,000,647.50
4. Step 4: Simplify right side
   1,271,379.50x = 9,003,885,419,256.25
5. Step 5: Solve for x
   x = 9,003,885,419,256.25/1,271,379.50
6. Step 6: Final answer
   x = 7,081,980.97