Finding the Third Proportional to 797,172 and 1,210,521

Step by Step Solution

1. Step 1: Write the proportion equation
   797,172 : 1,210,521 = 1,210,521 : x
2. Step 2: Convert to fraction form
   797,172/1,210,521 = 1,210,521/x
3. Step 3: Cross multiply
   797,172x = 1,210,521 × 1,210,521
4. Step 4: Simplify right side
   797,172x = 1,465,361,091,441
5. Step 5: Solve for x
   x = 1,465,361,091,441/797,172
6. Step 6: Final answer
   x = 1,838,199.40