Finding the Third Proportional to 45,117 and 64,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,117 : 64,131.75 = 64,131.75 : x
2. Step 2: Convert to fraction form
   45,117/64,131.75 = 64,131.75/x
3. Step 3: Cross multiply
   45,117x = 64,131.75 × 64,131.75
4. Step 4: Simplify right side
   45,117x = 4,112,881,358.06
5. Step 5: Solve for x
   x = 4,112,881,358.06/45,117
6. Step 6: Final answer
   x = 91,160.35