Finding the Third Proportional to 666,768 and 1,437,784

Step by Step Solution

1. Step 1: Write the proportion equation
   666,768 : 1,437,784 = 1,437,784 : x
2. Step 2: Convert to fraction form
   666,768/1,437,784 = 1,437,784/x
3. Step 3: Cross multiply
   666,768x = 1,437,784 × 1,437,784
4. Step 4: Simplify right side
   666,768x = 2,067,222,830,656
5. Step 5: Solve for x
   x = 2,067,222,830,656/666,768
6. Step 6: Final answer
   x = 3,100,362.99