Finding the Third Proportional to 42,547 and 90,886

Step by Step Solution

1. Step 1: Write the proportion equation
   42,547 : 90,886 = 90,886 : x
2. Step 2: Convert to fraction form
   42,547/90,886 = 90,886/x
3. Step 3: Cross multiply
   42,547x = 90,886 × 90,886
4. Step 4: Simplify right side
   42,547x = 8,260,264,996
5. Step 5: Solve for x
   x = 8,260,264,996/42,547
6. Step 6: Final answer
   x = 194,144.48