Finding the Third Proportional to 42,490 and 63,751

Step by Step Solution

1. Step 1: Write the proportion equation
   42,490 : 63,751 = 63,751 : x
2. Step 2: Convert to fraction form
   42,490/63,751 = 63,751/x
3. Step 3: Cross multiply
   42,490x = 63,751 × 63,751
4. Step 4: Simplify right side
   42,490x = 4,064,190,001
5. Step 5: Solve for x
   x = 4,064,190,001/42,490
6. Step 6: Final answer
   x = 95,650.51