Finding the Third Proportional to 912,534 and 2,112,458

Step by Step Solution

1. Step 1: Write the proportion equation
   912,534 : 2,112,458 = 2,112,458 : x
2. Step 2: Convert to fraction form
   912,534/2,112,458 = 2,112,458/x
3. Step 3: Cross multiply
   912,534x = 2,112,458 × 2,112,458
4. Step 4: Simplify right side
   912,534x = 4,462,478,801,764
5. Step 5: Solve for x
   x = 4,462,478,801,764/912,534
6. Step 6: Final answer
   x = 4,890,205.52