Finding the Third Proportional to 607,607 and 1,329,589

Step by Step Solution

1. Step 1: Write the proportion equation
   607,607 : 1,329,589 = 1,329,589 : x
2. Step 2: Convert to fraction form
   607,607/1,329,589 = 1,329,589/x
3. Step 3: Cross multiply
   607,607x = 1,329,589 × 1,329,589
4. Step 4: Simplify right side
   607,607x = 1,767,806,908,921
5. Step 5: Solve for x
   x = 1,767,806,908,921/607,607
6. Step 6: Final answer
   x = 2,909,457.77