Finding the Third Proportional to 882,139 and 1,913,643

Step by Step Solution

1. Step 1: Write the proportion equation
   882,139 : 1,913,643 = 1,913,643 : x
2. Step 2: Convert to fraction form
   882,139/1,913,643 = 1,913,643/x
3. Step 3: Cross multiply
   882,139x = 1,913,643 × 1,913,643
4. Step 4: Simplify right side
   882,139x = 3,662,029,531,449
5. Step 5: Solve for x
   x = 3,662,029,531,449/882,139
6. Step 6: Final answer
   x = 4,151,306.69