Finding the Third Proportional to 785,730 and 1,218,819

Step by Step Solution

1. Step 1: Write the proportion equation
   785,730 : 1,218,819 = 1,218,819 : x
2. Step 2: Convert to fraction form
   785,730/1,218,819 = 1,218,819/x
3. Step 3: Cross multiply
   785,730x = 1,218,819 × 1,218,819
4. Step 4: Simplify right side
   785,730x = 1,485,519,754,761
5. Step 5: Solve for x
   x = 1,485,519,754,761/785,730
6. Step 6: Final answer
   x = 1,890,623.69