Finding the Third Proportional to 1,620,425.25 and 3,492,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,425.25 : 3,492,067.50 = 3,492,067.50 : x
2. Step 2: Convert to fraction form
   1,620,425.25/3,492,067.50 = 3,492,067.50/x
3. Step 3: Cross multiply
   1,620,425.25x = 3,492,067.50 × 3,492,067.50
4. Step 4: Simplify right side
   1,620,425.25x = 12,194,535,424,556.25
5. Step 5: Solve for x
   x = 12,194,535,424,556.25/1,620,425.25
6. Step 6: Final answer
   x = 7,525,515.55