Finding the Third Proportional to 762,120 and 1,629,168

Step by Step Solution

1. Step 1: Write the proportion equation
   762,120 : 1,629,168 = 1,629,168 : x
2. Step 2: Convert to fraction form
   762,120/1,629,168 = 1,629,168/x
3. Step 3: Cross multiply
   762,120x = 1,629,168 × 1,629,168
4. Step 4: Simplify right side
   762,120x = 2,654,188,372,224
5. Step 5: Solve for x
   x = 2,654,188,372,224/762,120
6. Step 6: Final answer
   x = 3,482,638.39