Finding the Third Proportional to 653,238 and 1,399,788

Step by Step Solution

1. Step 1: Write the proportion equation
   653,238 : 1,399,788 = 1,399,788 : x
2. Step 2: Convert to fraction form
   653,238/1,399,788 = 1,399,788/x
3. Step 3: Cross multiply
   653,238x = 1,399,788 × 1,399,788
4. Step 4: Simplify right side
   653,238x = 1,959,406,444,944
5. Step 5: Solve for x
   x = 1,959,406,444,944/653,238
6. Step 6: Final answer
   x = 2,999,529.18