Finding the Third Proportional to 53,061 and 80,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,061 : 80,275.50 = 80,275.50 : x
2. Step 2: Convert to fraction form
   53,061/80,275.50 = 80,275.50/x
3. Step 3: Cross multiply
   53,061x = 80,275.50 × 80,275.50
4. Step 4: Simplify right side
   53,061x = 6,444,155,900.25
5. Step 5: Solve for x
   x = 6,444,155,900.25/53,061
6. Step 6: Final answer
   x = 121,448.07