Finding the Third Proportional to 3,982,429.50 and 8,739,003

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982,429.50 : 8,739,003 = 8,739,003 : x
2. Step 2: Convert to fraction form
   3,982,429.50/8,739,003 = 8,739,003/x
3. Step 3: Cross multiply
   3,982,429.50x = 8,739,003 × 8,739,003
4. Step 4: Simplify right side
   3,982,429.50x = 76,370,173,434,009
5. Step 5: Solve for x
   x = 76,370,173,434,009/3,982,429.50
6. Step 6: Final answer
   x = 19,176,779.76