Finding the Third Proportional to 34,651.69 and 85,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,651.69 : 85,090.50 = 85,090.50 : x
2. Step 2: Convert to fraction form
   34,651.69/85,090.50 = 85,090.50/x
3. Step 3: Cross multiply
   34,651.69x = 85,090.50 × 85,090.50
4. Step 4: Simplify right side
   34,651.69x = 7,240,393,190.25
5. Step 5: Solve for x
   x = 7,240,393,190.25/34,651.69
6. Step 6: Final answer
   x = 208,947.78