Finding the Third Proportional to 756,560 and 1,173,072

Step by Step Solution

1. Step 1: Write the proportion equation
   756,560 : 1,173,072 = 1,173,072 : x
2. Step 2: Convert to fraction form
   756,560/1,173,072 = 1,173,072/x
3. Step 3: Cross multiply
   756,560x = 1,173,072 × 1,173,072
4. Step 4: Simplify right side
   756,560x = 1,376,097,917,184
5. Step 5: Solve for x
   x = 1,376,097,917,184/756,560
6. Step 6: Final answer
   x = 1,818,888.02