Finding the Third Proportional to 1,071,434 and 1,455,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,434 : 1,455,123 = 1,455,123 : x
2. Step 2: Convert to fraction form
   1,071,434/1,455,123 = 1,455,123/x
3. Step 3: Cross multiply
   1,071,434x = 1,455,123 × 1,455,123
4. Step 4: Simplify right side
   1,071,434x = 2,117,382,945,129
5. Step 5: Solve for x
   x = 2,117,382,945,129/1,071,434
6. Step 6: Final answer
   x = 1,976,214.07