Finding the Third Proportional to 53,810.06 and 83,790.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,810.06 : 83,790.56 = 83,790.56 : x
2. Step 2: Convert to fraction form
   53,810.06/83,790.56 = 83,790.56/x
3. Step 3: Cross multiply
   53,810.06x = 83,790.56 × 83,790.56
4. Step 4: Simplify right side
   53,810.06x = 7,020,858,364.07
5. Step 5: Solve for x
   x = 7,020,858,364.07/53,810.06
6. Step 6: Final answer
   x = 130,474.82