Finding the Third Proportional to 655,449 and 885,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   655,449 : 885,556.50 = 885,556.50 : x
2. Step 2: Convert to fraction form
   655,449/885,556.50 = 885,556.50/x
3. Step 3: Cross multiply
   655,449x = 885,556.50 × 885,556.50
4. Step 4: Simplify right side
   655,449x = 784,210,314,692.25
5. Step 5: Solve for x
   x = 784,210,314,692.25/655,449
6. Step 6: Final answer
   x = 1,196,447.50