Finding the Third Proportional to 690,272 and 1,501,990

Step by Step Solution

1. Step 1: Write the proportion equation
   690,272 : 1,501,990 = 1,501,990 : x
2. Step 2: Convert to fraction form
   690,272/1,501,990 = 1,501,990/x
3. Step 3: Cross multiply
   690,272x = 1,501,990 × 1,501,990
4. Step 4: Simplify right side
   690,272x = 2,255,973,960,100
5. Step 5: Solve for x
   x = 2,255,973,960,100/690,272
6. Step 6: Final answer
   x = 3,268,239.13