Finding the Third Proportional to 116,671.50 and 249,921

Step by Step Solution

1. Step 1: Write the proportion equation
   116,671.50 : 249,921 = 249,921 : x
2. Step 2: Convert to fraction form
   116,671.50/249,921 = 249,921/x
3. Step 3: Cross multiply
   116,671.50x = 249,921 × 249,921
4. Step 4: Simplify right side
   116,671.50x = 62,460,506,241
5. Step 5: Solve for x
   x = 62,460,506,241/116,671.50
6. Step 6: Final answer
   x = 535,353.59