Finding the Third Proportional to 28,977.75 and 63,491.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,977.75 : 63,491.06 = 63,491.06 : x
2. Step 2: Convert to fraction form
   28,977.75/63,491.06 = 63,491.06/x
3. Step 3: Cross multiply
   28,977.75x = 63,491.06 × 63,491.06
4. Step 4: Simplify right side
   28,977.75x = 4,031,115,017.38
5. Step 5: Solve for x
   x = 4,031,115,017.38/28,977.75
6. Step 6: Final answer
   x = 139,110.70