Finding the Third Proportional to 582,423 and 1,272,606

Step by Step Solution

1. Step 1: Write the proportion equation
   582,423 : 1,272,606 = 1,272,606 : x
2. Step 2: Convert to fraction form
   582,423/1,272,606 = 1,272,606/x
3. Step 3: Cross multiply
   582,423x = 1,272,606 × 1,272,606
4. Step 4: Simplify right side
   582,423x = 1,619,526,031,236
5. Step 5: Solve for x
   x = 1,619,526,031,236/582,423
6. Step 6: Final answer
   x = 2,780,669.77