Finding the Third Proportional to 64,411.50 and 130,641

Step by Step Solution

1. Step 1: Write the proportion equation
   64,411.50 : 130,641 = 130,641 : x
2. Step 2: Convert to fraction form
   64,411.50/130,641 = 130,641/x
3. Step 3: Cross multiply
   64,411.50x = 130,641 × 130,641
4. Step 4: Simplify right side
   64,411.50x = 17,067,070,881
5. Step 5: Solve for x
   x = 17,067,070,881/64,411.50
6. Step 6: Final answer
   x = 264,969.31