Finding the Third Proportional to 1,335,454 and 3,149,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,454 : 3,149,342 = 3,149,342 : x
2. Step 2: Convert to fraction form
   1,335,454/3,149,342 = 3,149,342/x
3. Step 3: Cross multiply
   1,335,454x = 3,149,342 × 3,149,342
4. Step 4: Simplify right side
   1,335,454x = 9,918,355,032,964
5. Step 5: Solve for x
   x = 9,918,355,032,964/1,335,454
6. Step 6: Final answer
   x = 7,426,953.70