Finding the Third Proportional to 130,146.75 and 263,915.72

Step by Step Solution

1. Step 1: Write the proportion equation
   130,146.75 : 263,915.72 = 263,915.72 : x
2. Step 2: Convert to fraction form
   130,146.75/263,915.72 = 263,915.72/x
3. Step 3: Cross multiply
   130,146.75x = 263,915.72 × 263,915.72
4. Step 4: Simplify right side
   130,146.75x = 69,651,506,603.33
5. Step 5: Solve for x
   x = 69,651,506,603.33/130,146.75
6. Step 6: Final answer
   x = 535,176.69