Finding the Third Proportional to 876,810 and 1,912,488

Step by Step Solution

1. Step 1: Write the proportion equation
   876,810 : 1,912,488 = 1,912,488 : x
2. Step 2: Convert to fraction form
   876,810/1,912,488 = 1,912,488/x
3. Step 3: Cross multiply
   876,810x = 1,912,488 × 1,912,488
4. Step 4: Simplify right side
   876,810x = 3,657,610,350,144
5. Step 5: Solve for x
   x = 3,657,610,350,144/876,810
6. Step 6: Final answer
   x = 4,171,497.07