Finding the Third Proportional to 699,422 and 1,525,310

Step by Step Solution

1. Step 1: Write the proportion equation
   699,422 : 1,525,310 = 1,525,310 : x
2. Step 2: Convert to fraction form
   699,422/1,525,310 = 1,525,310/x
3. Step 3: Cross multiply
   699,422x = 1,525,310 × 1,525,310
4. Step 4: Simplify right side
   699,422x = 2,326,570,596,100
5. Step 5: Solve for x
   x = 2,326,570,596,100/699,422
6. Step 6: Final answer
   x = 3,326,418.95