Finding the Third Proportional to 64,308 and 91,732.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,308 : 91,732.75 = 91,732.75 : x
2. Step 2: Convert to fraction form
   64,308/91,732.75 = 91,732.75/x
3. Step 3: Cross multiply
   64,308x = 91,732.75 × 91,732.75
4. Step 4: Simplify right side
   64,308x = 8,414,897,422.56
5. Step 5: Solve for x
   x = 8,414,897,422.56/64,308
6. Step 6: Final answer
   x = 130,853.04