Finding the Third Proportional to 659,364 and 1,421,112

Step by Step Solution

1. Step 1: Write the proportion equation
   659,364 : 1,421,112 = 1,421,112 : x
2. Step 2: Convert to fraction form
   659,364/1,421,112 = 1,421,112/x
3. Step 3: Cross multiply
   659,364x = 1,421,112 × 1,421,112
4. Step 4: Simplify right side
   659,364x = 2,019,559,316,544
5. Step 5: Solve for x
   x = 2,019,559,316,544/659,364
6. Step 6: Final answer
   x = 3,062,889.87