Finding the Third Proportional to 167,690 and 249,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   167,690 : 249,255.50 = 249,255.50 : x
2. Step 2: Convert to fraction form
   167,690/249,255.50 = 249,255.50/x
3. Step 3: Cross multiply
   167,690x = 249,255.50 × 249,255.50
4. Step 4: Simplify right side
   167,690x = 62,128,304,280.25
5. Step 5: Solve for x
   x = 62,128,304,280.25/167,690
6. Step 6: Final answer
   x = 370,494.99