Finding the Third Proportional to 53,406.56 and 83,025.84

Step by Step Solution

1. Step 1: Write the proportion equation
   53,406.56 : 83,025.84 = 83,025.84 : x
2. Step 2: Convert to fraction form
   53,406.56/83,025.84 = 83,025.84/x
3. Step 3: Cross multiply
   53,406.56x = 83,025.84 × 83,025.84
4. Step 4: Simplify right side
   53,406.56x = 6,893,290,730.40
5. Step 5: Solve for x
   x = 6,893,290,730.40/53,406.56
6. Step 6: Final answer
   x = 129,071.98