Finding the Third Proportional to 112,257 and 249,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,257 : 249,430.50 = 249,430.50 : x
2. Step 2: Convert to fraction form
   112,257/249,430.50 = 249,430.50/x
3. Step 3: Cross multiply
   112,257x = 249,430.50 × 249,430.50
4. Step 4: Simplify right side
   112,257x = 62,215,574,330.25
5. Step 5: Solve for x
   x = 62,215,574,330.25/112,257
6. Step 6: Final answer
   x = 554,224.45