Finding the Third Proportional to 912,528 and 2,112,442

Step by Step Solution

1. Step 1: Write the proportion equation
   912,528 : 2,112,442 = 2,112,442 : x
2. Step 2: Convert to fraction form
   912,528/2,112,442 = 2,112,442/x
3. Step 3: Cross multiply
   912,528x = 2,112,442 × 2,112,442
4. Step 4: Simplify right side
   912,528x = 4,462,411,203,364
5. Step 5: Solve for x
   x = 4,462,411,203,364/912,528
6. Step 6: Final answer
   x = 4,890,163.59