Finding the Third Proportional to 156,846 and 249,286.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,846 : 249,286.50 = 249,286.50 : x
2. Step 2: Convert to fraction form
   156,846/249,286.50 = 249,286.50/x
3. Step 3: Cross multiply
   156,846x = 249,286.50 × 249,286.50
4. Step 4: Simplify right side
   156,846x = 62,143,759,082.25
5. Step 5: Solve for x
   x = 62,143,759,082.25/156,846
6. Step 6: Final answer
   x = 396,208.76