Finding the Third Proportional to 1,299,507 and 1,949,261

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,507 : 1,949,261 = 1,949,261 : x
2. Step 2: Convert to fraction form
   1,299,507/1,949,261 = 1,949,261/x
3. Step 3: Cross multiply
   1,299,507x = 1,949,261 × 1,949,261
4. Step 4: Simplify right side
   1,299,507x = 3,799,618,446,121
5. Step 5: Solve for x
   x = 3,799,618,446,121/1,299,507
6. Step 6: Final answer
   x = 2,923,892.25