Finding the Third Proportional to 45,886.50 and 64,616.06

Step by Step Solution

1. Step 1: Write the proportion equation
   45,886.50 : 64,616.06 = 64,616.06 : x
2. Step 2: Convert to fraction form
   45,886.50/64,616.06 = 64,616.06/x
3. Step 3: Cross multiply
   45,886.50x = 64,616.06 × 64,616.06
4. Step 4: Simplify right side
   45,886.50x = 4,175,235,533.00
5. Step 5: Solve for x
   x = 4,175,235,533.00/45,886.50
6. Step 6: Final answer
   x = 90,990.50