Finding the Third Proportional to 28,981.50 and 61,075.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,981.50 : 61,075.88 = 61,075.88 : x
2. Step 2: Convert to fraction form
   28,981.50/61,075.88 = 61,075.88/x
3. Step 3: Cross multiply
   28,981.50x = 61,075.88 × 61,075.88
4. Step 4: Simplify right side
   28,981.50x = 3,730,262,507.02
5. Step 5: Solve for x
   x = 3,730,262,507.02/28,981.50
6. Step 6: Final answer
   x = 128,711.85