Finding the Third Proportional to 666,336 and 1,499,904

Step by Step Solution

1. Step 1: Write the proportion equation
   666,336 : 1,499,904 = 1,499,904 : x
2. Step 2: Convert to fraction form
   666,336/1,499,904 = 1,499,904/x
3. Step 3: Cross multiply
   666,336x = 1,499,904 × 1,499,904
4. Step 4: Simplify right side
   666,336x = 2,249,712,009,216
5. Step 5: Solve for x
   x = 2,249,712,009,216/666,336
6. Step 6: Final answer
   x = 3,376,242.63