Finding the Third Proportional to 1,071,630 and 1,455,393

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,630 : 1,455,393 = 1,455,393 : x
2. Step 2: Convert to fraction form
   1,071,630/1,455,393 = 1,455,393/x
3. Step 3: Cross multiply
   1,071,630x = 1,455,393 × 1,455,393
4. Step 4: Simplify right side
   1,071,630x = 2,118,168,784,449
5. Step 5: Solve for x
   x = 2,118,168,784,449/1,071,630
6. Step 6: Final answer
   x = 1,976,585.93