Finding the Third Proportional to 30,186 and 45,780.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,186 : 45,780.75 = 45,780.75 : x
2. Step 2: Convert to fraction form
   30,186/45,780.75 = 45,780.75/x
3. Step 3: Cross multiply
   30,186x = 45,780.75 × 45,780.75
4. Step 4: Simplify right side
   30,186x = 2,095,877,070.56
5. Step 5: Solve for x
   x = 2,095,877,070.56/30,186
6. Step 6: Final answer
   x = 69,432.09