Finding the Third Proportional to 1,516,780 and 2,133,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,780 : 2,133,458 = 2,133,458 : x
2. Step 2: Convert to fraction form
   1,516,780/2,133,458 = 2,133,458/x
3. Step 3: Cross multiply
   1,516,780x = 2,133,458 × 2,133,458
4. Step 4: Simplify right side
   1,516,780x = 4,551,643,037,764
5. Step 5: Solve for x
   x = 4,551,643,037,764/1,516,780
6. Step 6: Final answer
   x = 3,000,859.08