Finding the Third Proportional to 627,172 and 942,168

Step by Step Solution

1. Step 1: Write the proportion equation
   627,172 : 942,168 = 942,168 : x
2. Step 2: Convert to fraction form
   627,172/942,168 = 942,168/x
3. Step 3: Cross multiply
   627,172x = 942,168 × 942,168
4. Step 4: Simplify right side
   627,172x = 887,680,540,224
5. Step 5: Solve for x
   x = 887,680,540,224/627,172
6. Step 6: Final answer
   x = 1,415,370.17