Finding the Third Proportional to 53,210.25 and 79,823.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,210.25 : 79,823.81 = 79,823.81 : x
2. Step 2: Convert to fraction form
   53,210.25/79,823.81 = 79,823.81/x
3. Step 3: Cross multiply
   53,210.25x = 79,823.81 × 79,823.81
4. Step 4: Simplify right side
   53,210.25x = 6,371,841,042.04
5. Step 5: Solve for x
   x = 6,371,841,042.04/53,210.25
6. Step 6: Final answer
   x = 119,748.38