Finding the Third Proportional to 28,961.63 and 63,458.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,961.63 : 63,458.63 = 63,458.63 : x
2. Step 2: Convert to fraction form
   28,961.63/63,458.63 = 63,458.63/x
3. Step 3: Cross multiply
   28,961.63x = 63,458.63 × 63,458.63
4. Step 4: Simplify right side
   28,961.63x = 4,026,997,086.89
5. Step 5: Solve for x
   x = 4,026,997,086.89/28,961.63
6. Step 6: Final answer
   x = 139,045.96