Finding the Third Proportional to 607,369 and 1,329,144

Step by Step Solution

1. Step 1: Write the proportion equation
   607,369 : 1,329,144 = 1,329,144 : x
2. Step 2: Convert to fraction form
   607,369/1,329,144 = 1,329,144/x
3. Step 3: Cross multiply
   607,369x = 1,329,144 × 1,329,144
4. Step 4: Simplify right side
   607,369x = 1,766,623,772,736
5. Step 5: Solve for x
   x = 1,766,623,772,736/607,369
6. Step 6: Final answer
   x = 2,908,649.89