Finding the Third Proportional to 1,071,636 and 1,455,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,636 : 1,455,402 = 1,455,402 : x
2. Step 2: Convert to fraction form
   1,071,636/1,455,402 = 1,455,402/x
3. Step 3: Cross multiply
   1,071,636x = 1,455,402 × 1,455,402
4. Step 4: Simplify right side
   1,071,636x = 2,118,194,981,604
5. Step 5: Solve for x
   x = 2,118,194,981,604/1,071,636
6. Step 6: Final answer
   x = 1,976,599.31