Finding the Third Proportional to 607,389 and 1,329,175

Step by Step Solution

1. Step 1: Write the proportion equation
   607,389 : 1,329,175 = 1,329,175 : x
2. Step 2: Convert to fraction form
   607,389/1,329,175 = 1,329,175/x
3. Step 3: Cross multiply
   607,389x = 1,329,175 × 1,329,175
4. Step 4: Simplify right side
   607,389x = 1,766,706,180,625
5. Step 5: Solve for x
   x = 1,766,706,180,625/607,389
6. Step 6: Final answer
   x = 2,908,689.79