Finding the Third Proportional to 16,470 and 34,776

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470 : 34,776 = 34,776 : x
2. Step 2: Convert to fraction form
   16,470/34,776 = 34,776/x
3. Step 3: Cross multiply
   16,470x = 34,776 × 34,776
4. Step 4: Simplify right side
   16,470x = 1,209,370,176
5. Step 5: Solve for x
   x = 1,209,370,176/16,470
6. Step 6: Final answer
   x = 73,428.67