Finding the Third Proportional to 116,655 and 249,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,655 : 249,886.50 = 249,886.50 : x
2. Step 2: Convert to fraction form
   116,655/249,886.50 = 249,886.50/x
3. Step 3: Cross multiply
   116,655x = 249,886.50 × 249,886.50
4. Step 4: Simplify right side
   116,655x = 62,443,262,882.25
5. Step 5: Solve for x
   x = 62,443,262,882.25/116,655
6. Step 6: Final answer
   x = 535,281.50