Finding the Third Proportional to 16,421.63 and 34,011

Step by Step Solution

1. Step 1: Write the proportion equation
   16,421.63 : 34,011 = 34,011 : x
2. Step 2: Convert to fraction form
   16,421.63/34,011 = 34,011/x
3. Step 3: Cross multiply
   16,421.63x = 34,011 × 34,011
4. Step 4: Simplify right side
   16,421.63x = 1,156,748,121
5. Step 5: Solve for x
   x = 1,156,748,121/16,421.63
6. Step 6: Final answer
   x = 70,440.54