Finding the Third Proportional to 1,307,604 and 1,999,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,604 : 1,999,458 = 1,999,458 : x
2. Step 2: Convert to fraction form
   1,307,604/1,999,458 = 1,999,458/x
3. Step 3: Cross multiply
   1,307,604x = 1,999,458 × 1,999,458
4. Step 4: Simplify right side
   1,307,604x = 3,997,832,293,764
5. Step 5: Solve for x
   x = 3,997,832,293,764/1,307,604
6. Step 6: Final answer
   x = 3,057,372.33