Finding the Third Proportional to 35,345.21 and 76,909.92

Step by Step Solution

1. Step 1: Write the proportion equation
   35,345.21 : 76,909.92 = 76,909.92 : x
2. Step 2: Convert to fraction form
   35,345.21/76,909.92 = 76,909.92/x
3. Step 3: Cross multiply
   35,345.21x = 76,909.92 × 76,909.92
4. Step 4: Simplify right side
   35,345.21x = 5,915,136,082.82
5. Step 5: Solve for x
   x = 5,915,136,082.82/35,345.21
6. Step 6: Final answer
   x = 167,353.24