Finding the Third Proportional to 12,030.19 and 28,981.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,030.19 : 28,981.69 = 28,981.69 : x
2. Step 2: Convert to fraction form
   12,030.19/28,981.69 = 28,981.69/x
3. Step 3: Cross multiply
   12,030.19x = 28,981.69 × 28,981.69
4. Step 4: Simplify right side
   12,030.19x = 839,938,210.35
5. Step 5: Solve for x
   x = 839,938,210.35/12,030.19
6. Step 6: Final answer
   x = 69,819.21