Finding the Third Proportional to 1,260,272 and 1,913,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,272 : 1,913,708 = 1,913,708 : x
2. Step 2: Convert to fraction form
   1,260,272/1,913,708 = 1,913,708/x
3. Step 3: Cross multiply
   1,260,272x = 1,913,708 × 1,913,708
4. Step 4: Simplify right side
   1,260,272x = 3,662,278,309,264
5. Step 5: Solve for x
   x = 3,662,278,309,264/1,260,272
6. Step 6: Final answer
   x = 2,905,942.77