Finding the Third Proportional to 3,538,757.50 and 7,739,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538,757.50 : 7,739,865.50 = 7,739,865.50 : x
2. Step 2: Convert to fraction form
   3,538,757.50/7,739,865.50 = 7,739,865.50/x
3. Step 3: Cross multiply
   3,538,757.50x = 7,739,865.50 × 7,739,865.50
4. Step 4: Simplify right side
   3,538,757.50x = 59,905,517,958,090.25
5. Step 5: Solve for x
   x = 59,905,517,958,090.25/3,538,757.50
6. Step 6: Final answer
   x = 16,928,404.38