Finding the Third Proportional to 607,557 and 1,329,490

Step by Step Solution

1. Step 1: Write the proportion equation
   607,557 : 1,329,490 = 1,329,490 : x
2. Step 2: Convert to fraction form
   607,557/1,329,490 = 1,329,490/x
3. Step 3: Cross multiply
   607,557x = 1,329,490 × 1,329,490
4. Step 4: Simplify right side
   607,557x = 1,767,543,660,100
5. Step 5: Solve for x
   x = 1,767,543,660,100/607,557
6. Step 6: Final answer
   x = 2,909,263.92