Finding the Third Proportional to 912,657 and 1,431,630

Step by Step Solution

1. Step 1: Write the proportion equation
   912,657 : 1,431,630 = 1,431,630 : x
2. Step 2: Convert to fraction form
   912,657/1,431,630 = 1,431,630/x
3. Step 3: Cross multiply
   912,657x = 1,431,630 × 1,431,630
4. Step 4: Simplify right side
   912,657x = 2,049,564,456,900
5. Step 5: Solve for x
   x = 2,049,564,456,900/912,657
6. Step 6: Final answer
   x = 2,245,711.65