Finding the Third Proportional to 699,438 and 1,080,152

Step by Step Solution

1. Step 1: Write the proportion equation
   699,438 : 1,080,152 = 1,080,152 : x
2. Step 2: Convert to fraction form
   699,438/1,080,152 = 1,080,152/x
3. Step 3: Cross multiply
   699,438x = 1,080,152 × 1,080,152
4. Step 4: Simplify right side
   699,438x = 1,166,728,343,104
5. Step 5: Solve for x
   x = 1,166,728,343,104/699,438
6. Step 6: Final answer
   x = 1,668,094.02