Finding the Third Proportional to 978,469.88 and 1,556,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   978,469.88 : 1,556,644.50 = 1,556,644.50 : x
2. Step 2: Convert to fraction form
   978,469.88/1,556,644.50 = 1,556,644.50/x
3. Step 3: Cross multiply
   978,469.88x = 1,556,644.50 × 1,556,644.50
4. Step 4: Simplify right side
   978,469.88x = 2,423,142,099,380.25
5. Step 5: Solve for x
   x = 2,423,142,099,380.25/978,469.88
6. Step 6: Final answer
   x = 2,476,460.61