Finding the Third Proportional to 715,186 and 1,080,069

Step by Step Solution

1. Step 1: Write the proportion equation
   715,186 : 1,080,069 = 1,080,069 : x
2. Step 2: Convert to fraction form
   715,186/1,080,069 = 1,080,069/x
3. Step 3: Cross multiply
   715,186x = 1,080,069 × 1,080,069
4. Step 4: Simplify right side
   715,186x = 1,166,549,044,761
5. Step 5: Solve for x
   x = 1,166,549,044,761/715,186
6. Step 6: Final answer
   x = 1,631,112.81