Finding the Third Proportional to 38,310 and 56,007

Step by Step Solution

1. Step 1: Write the proportion equation
   38,310 : 56,007 = 56,007 : x
2. Step 2: Convert to fraction form
   38,310/56,007 = 56,007/x
3. Step 3: Cross multiply
   38,310x = 56,007 × 56,007
4. Step 4: Simplify right side
   38,310x = 3,136,784,049
5. Step 5: Solve for x
   x = 3,136,784,049/38,310
6. Step 6: Final answer
   x = 81,878.99