Finding the Third Proportional to 45,105 and 64,113

Step by Step Solution

1. Step 1: Write the proportion equation
   45,105 : 64,113 = 64,113 : x
2. Step 2: Convert to fraction form
   45,105/64,113 = 64,113/x
3. Step 3: Cross multiply
   45,105x = 64,113 × 64,113
4. Step 4: Simplify right side
   45,105x = 4,110,476,769
5. Step 5: Solve for x
   x = 4,110,476,769/45,105
6. Step 6: Final answer
   x = 91,131.29