Finding the Third Proportional to 57,075.75 and 90,898.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,075.75 : 90,898.88 = 90,898.88 : x
2. Step 2: Convert to fraction form
   57,075.75/90,898.88 = 90,898.88/x
3. Step 3: Cross multiply
   57,075.75x = 90,898.88 × 90,898.88
4. Step 4: Simplify right side
   57,075.75x = 8,262,605,476.27
5. Step 5: Solve for x
   x = 8,262,605,476.27/57,075.75
6. Step 6: Final answer
   x = 144,765.60