Finding the Third Proportional to 28,664.51 and 67,445.79

Step by Step Solution

1. Step 1: Write the proportion equation
   28,664.51 : 67,445.79 = 67,445.79 : x
2. Step 2: Convert to fraction form
   28,664.51/67,445.79 = 67,445.79/x
3. Step 3: Cross multiply
   28,664.51x = 67,445.79 × 67,445.79
4. Step 4: Simplify right side
   28,664.51x = 4,548,934,462.26
5. Step 5: Solve for x
   x = 4,548,934,462.26/28,664.51
6. Step 6: Final answer
   x = 158,695.71