Finding the Third Proportional to 1,914,988 and 2,912,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914,988 : 2,912,272 = 2,912,272 : x
2. Step 2: Convert to fraction form
   1,914,988/2,912,272 = 2,912,272/x
3. Step 3: Cross multiply
   1,914,988x = 2,912,272 × 2,912,272
4. Step 4: Simplify right side
   1,914,988x = 8,481,328,201,984
5. Step 5: Solve for x
   x = 8,481,328,201,984/1,914,988
6. Step 6: Final answer
   x = 4,428,919.76