Finding the Third Proportional to 60,643.69 and 84,814.59

Step by Step Solution

1. Step 1: Write the proportion equation
   60,643.69 : 84,814.59 = 84,814.59 : x
2. Step 2: Convert to fraction form
   60,643.69/84,814.59 = 84,814.59/x
3. Step 3: Cross multiply
   60,643.69x = 84,814.59 × 84,814.59
4. Step 4: Simplify right side
   60,643.69x = 7,193,515,312.98
5. Step 5: Solve for x
   x = 7,193,515,312.98/60,643.69
6. Step 6: Final answer
   x = 118,619.36