Finding the Third Proportional to 45,990.75 and 61,806.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,990.75 : 61,806.25 = 61,806.25 : x
2. Step 2: Convert to fraction form
   45,990.75/61,806.25 = 61,806.25/x
3. Step 3: Cross multiply
   45,990.75x = 61,806.25 × 61,806.25
4. Step 4: Simplify right side
   45,990.75x = 3,820,012,539.06
5. Step 5: Solve for x
   x = 3,820,012,539.06/45,990.75
6. Step 6: Final answer
   x = 83,060.45