Finding the Third Proportional to 30,154.01 and 64,315.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,154.01 : 64,315.74 = 64,315.74 : x
2. Step 2: Convert to fraction form
   30,154.01/64,315.74 = 64,315.74/x
3. Step 3: Cross multiply
   30,154.01x = 64,315.74 × 64,315.74
4. Step 4: Simplify right side
   30,154.01x = 4,136,514,441.90
5. Step 5: Solve for x
   x = 4,136,514,441.90/30,154.01
6. Step 6: Final answer
   x = 137,179.58