Finding the Third Proportional to 772,458 and 1,131,032

Step by Step Solution

1. Step 1: Write the proportion equation
   772,458 : 1,131,032 = 1,131,032 : x
2. Step 2: Convert to fraction form
   772,458/1,131,032 = 1,131,032/x
3. Step 3: Cross multiply
   772,458x = 1,131,032 × 1,131,032
4. Step 4: Simplify right side
   772,458x = 1,279,233,385,024
5. Step 5: Solve for x
   x = 1,279,233,385,024/772,458
6. Step 6: Final answer
   x = 1,656,055.58