Finding the Third Proportional to 1,218,546 and 1,703,513

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,546 : 1,703,513 = 1,703,513 : x
2. Step 2: Convert to fraction form
   1,218,546/1,703,513 = 1,703,513/x
3. Step 3: Cross multiply
   1,218,546x = 1,703,513 × 1,703,513
4. Step 4: Simplify right side
   1,218,546x = 2,901,956,541,169
5. Step 5: Solve for x
   x = 2,901,956,541,169/1,218,546
6. Step 6: Final answer
   x = 2,381,491.17