Finding the Third Proportional to 1,010,310 and 1,197,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,310 : 1,197,144 = 1,197,144 : x
2. Step 2: Convert to fraction form
   1,010,310/1,197,144 = 1,197,144/x
3. Step 3: Cross multiply
   1,010,310x = 1,197,144 × 1,197,144
4. Step 4: Simplify right side
   1,010,310x = 1,433,153,756,736
5. Step 5: Solve for x
   x = 1,433,153,756,736/1,010,310
6. Step 6: Final answer
   x = 1,418,528.73