Finding the Third Proportional to 578,522 and 1,265,476

Step by Step Solution

1. Step 1: Write the proportion equation
   578,522 : 1,265,476 = 1,265,476 : x
2. Step 2: Convert to fraction form
   578,522/1,265,476 = 1,265,476/x
3. Step 3: Cross multiply
   578,522x = 1,265,476 × 1,265,476
4. Step 4: Simplify right side
   578,522x = 1,601,429,506,576
5. Step 5: Solve for x
   x = 1,601,429,506,576/578,522
6. Step 6: Final answer
   x = 2,768,139.34