Finding the Third Proportional to 607,454 and 1,329,388

Step by Step Solution

1. Step 1: Write the proportion equation
   607,454 : 1,329,388 = 1,329,388 : x
2. Step 2: Convert to fraction form
   607,454/1,329,388 = 1,329,388/x
3. Step 3: Cross multiply
   607,454x = 1,329,388 × 1,329,388
4. Step 4: Simplify right side
   607,454x = 1,767,272,454,544
5. Step 5: Solve for x
   x = 1,767,272,454,544/607,454
6. Step 6: Final answer
   x = 2,909,310.75