Finding the Third Proportional to 39,543.19 and 84,736.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,543.19 : 84,736.13 = 84,736.13 : x
2. Step 2: Convert to fraction form
   39,543.19/84,736.13 = 84,736.13/x
3. Step 3: Cross multiply
   39,543.19x = 84,736.13 × 84,736.13
4. Step 4: Simplify right side
   39,543.19x = 7,180,210,880.02
5. Step 5: Solve for x
   x = 7,180,210,880.02/39,543.19
6. Step 6: Final answer
   x = 181,578.96