Finding the Third Proportional to 607,636 and 1,329,632

Step by Step Solution

1. Step 1: Write the proportion equation
   607,636 : 1,329,632 = 1,329,632 : x
2. Step 2: Convert to fraction form
   607,636/1,329,632 = 1,329,632/x
3. Step 3: Cross multiply
   607,636x = 1,329,632 × 1,329,632
4. Step 4: Simplify right side
   607,636x = 1,767,921,255,424
5. Step 5: Solve for x
   x = 1,767,921,255,424/607,636
6. Step 6: Final answer
   x = 2,909,507.10