Finding the Third Proportional to 1,131,253 and 1,582,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,253 : 1,582,402 = 1,582,402 : x
2. Step 2: Convert to fraction form
   1,131,253/1,582,402 = 1,582,402/x
3. Step 3: Cross multiply
   1,131,253x = 1,582,402 × 1,582,402
4. Step 4: Simplify right side
   1,131,253x = 2,503,996,089,604
5. Step 5: Solve for x
   x = 2,503,996,089,604/1,131,253
6. Step 6: Final answer
   x = 2,213,471.34