Finding the Third Proportional to 715,423 and 1,555,092

Step by Step Solution

1. Step 1: Write the proportion equation
   715,423 : 1,555,092 = 1,555,092 : x
2. Step 2: Convert to fraction form
   715,423/1,555,092 = 1,555,092/x
3. Step 3: Cross multiply
   715,423x = 1,555,092 × 1,555,092
4. Step 4: Simplify right side
   715,423x = 2,418,311,128,464
5. Step 5: Solve for x
   x = 2,418,311,128,464/715,423
6. Step 6: Final answer
   x = 3,380,253.54