Finding the Third Proportional to 45,881.75 and 64,612.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,881.75 : 64,612.88 = 64,612.88 : x
2. Step 2: Convert to fraction form
   45,881.75/64,612.88 = 64,612.88/x
3. Step 3: Cross multiply
   45,881.75x = 64,612.88 × 64,612.88
4. Step 4: Simplify right side
   45,881.75x = 4,174,823,615.77
5. Step 5: Solve for x
   x = 4,174,823,615.77/45,881.75
6. Step 6: Final answer
   x = 90,990.94