Finding the Third Proportional to 163,263 and 249,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,263 : 249,727.50 = 249,727.50 : x
2. Step 2: Convert to fraction form
   163,263/249,727.50 = 249,727.50/x
3. Step 3: Cross multiply
   163,263x = 249,727.50 × 249,727.50
4. Step 4: Simplify right side
   163,263x = 62,363,824,256.25
5. Step 5: Solve for x
   x = 62,363,824,256.25/163,263
6. Step 6: Final answer
   x = 381,983.82