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

Step by Step Solution

1. Step 1: Write the proportion equation
   627,172 : 942,172 = 942,172 : x
2. Step 2: Convert to fraction form
   627,172/942,172 = 942,172/x
3. Step 3: Cross multiply
   627,172x = 942,172 × 942,172
4. Step 4: Simplify right side
   627,172x = 887,688,077,584
5. Step 5: Solve for x
   x = 887,688,077,584/627,172
6. Step 6: Final answer
   x = 1,415,382.19