Finding the Third Proportional to 29,979 and 45,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,979 : 45,616.50 = 45,616.50 : x
2. Step 2: Convert to fraction form
   29,979/45,616.50 = 45,616.50/x
3. Step 3: Cross multiply
   29,979x = 45,616.50 × 45,616.50
4. Step 4: Simplify right side
   29,979x = 2,080,865,072.25
5. Step 5: Solve for x
   x = 2,080,865,072.25/29,979
6. Step 6: Final answer
   x = 69,410.76