Finding the Third Proportional to 607,630 and 1,329,672

Step by Step Solution

1. Step 1: Write the proportion equation
   607,630 : 1,329,672 = 1,329,672 : x
2. Step 2: Convert to fraction form
   607,630/1,329,672 = 1,329,672/x
3. Step 3: Cross multiply
   607,630x = 1,329,672 × 1,329,672
4. Step 4: Simplify right side
   607,630x = 1,768,027,627,584
5. Step 5: Solve for x
   x = 1,768,027,627,584/607,630
6. Step 6: Final answer
   x = 2,909,710.89