Finding the Third Proportional to 709,784 and 1,072,072

Step by Step Solution

1. Step 1: Write the proportion equation
   709,784 : 1,072,072 = 1,072,072 : x
2. Step 2: Convert to fraction form
   709,784/1,072,072 = 1,072,072/x
3. Step 3: Cross multiply
   709,784x = 1,072,072 × 1,072,072
4. Step 4: Simplify right side
   709,784x = 1,149,338,373,184
5. Step 5: Solve for x
   x = 1,149,338,373,184/709,784
6. Step 6: Final answer
   x = 1,619,279.07