Finding the Third Proportional to 1,334,642 and 2,068,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,642 : 2,068,312 = 2,068,312 : x
2. Step 2: Convert to fraction form
   1,334,642/2,068,312 = 2,068,312/x
3. Step 3: Cross multiply
   1,334,642x = 2,068,312 × 2,068,312
4. Step 4: Simplify right side
   1,334,642x = 4,277,914,529,344
5. Step 5: Solve for x
   x = 4,277,914,529,344/1,334,642
6. Step 6: Final answer
   x = 3,205,289.90