Finding the Third Proportional to 659,688 and 1,437,864

Step by Step Solution

1. Step 1: Write the proportion equation
   659,688 : 1,437,864 = 1,437,864 : x
2. Step 2: Convert to fraction form
   659,688/1,437,864 = 1,437,864/x
3. Step 3: Cross multiply
   659,688x = 1,437,864 × 1,437,864
4. Step 4: Simplify right side
   659,688x = 2,067,452,882,496
5. Step 5: Solve for x
   x = 2,067,452,882,496/659,688
6. Step 6: Final answer
   x = 3,133,985.89