Finding the Third Proportional to 116,650 and 273,156

Step by Step Solution

1. Step 1: Write the proportion equation
   116,650 : 273,156 = 273,156 : x
2. Step 2: Convert to fraction form
   116,650/273,156 = 273,156/x
3. Step 3: Cross multiply
   116,650x = 273,156 × 273,156
4. Step 4: Simplify right side
   116,650x = 74,614,200,336
5. Step 5: Solve for x
   x = 74,614,200,336/116,650
6. Step 6: Final answer
   x = 639,641.67