Finding the Third Proportional to 28,981.13 and 61,075.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,981.13 : 61,075.69 = 61,075.69 : x
2. Step 2: Convert to fraction form
   28,981.13/61,075.69 = 61,075.69/x
3. Step 3: Cross multiply
   28,981.13x = 61,075.69 × 61,075.69
4. Step 4: Simplify right side
   28,981.13x = 3,730,239,603.60
5. Step 5: Solve for x
   x = 3,730,239,603.60/28,981.13
6. Step 6: Final answer
   x = 128,712.73