Finding the Third Proportional to 30,261 and 64,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,261 : 64,126.50 = 64,126.50 : x
2. Step 2: Convert to fraction form
   30,261/64,126.50 = 64,126.50/x
3. Step 3: Cross multiply
   30,261x = 64,126.50 × 64,126.50
4. Step 4: Simplify right side
   30,261x = 4,112,208,002.25
5. Step 5: Solve for x
   x = 4,112,208,002.25/30,261
6. Step 6: Final answer
   x = 135,891.35