Finding the Third Proportional to 42,059.25 and 91,316.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059.25 : 91,316.25 = 91,316.25 : x
2. Step 2: Convert to fraction form
   42,059.25/91,316.25 = 91,316.25/x
3. Step 3: Cross multiply
   42,059.25x = 91,316.25 × 91,316.25
4. Step 4: Simplify right side
   42,059.25x = 8,338,657,514.06
5. Step 5: Solve for x
   x = 8,338,657,514.06/42,059.25
6. Step 6: Final answer
   x = 198,259.78