Finding the Third Proportional to 32,186.86 and 69,915.10

Step by Step Solution

1. Step 1: Write the proportion equation
   32,186.86 : 69,915.10 = 69,915.10 : x
2. Step 2: Convert to fraction form
   32,186.86/69,915.10 = 69,915.10/x
3. Step 3: Cross multiply
   32,186.86x = 69,915.10 × 69,915.10
4. Step 4: Simplify right side
   32,186.86x = 4,888,121,563.05
5. Step 5: Solve for x
   x = 4,888,121,563.05/32,186.86
6. Step 6: Final answer
   x = 151,866.99