Finding the Third Proportional to 42,659 and 91,859

Step by Step Solution

1. Step 1: Write the proportion equation
   42,659 : 91,859 = 91,859 : x
2. Step 2: Convert to fraction form
   42,659/91,859 = 91,859/x
3. Step 3: Cross multiply
   42,659x = 91,859 × 91,859
4. Step 4: Simplify right side
   42,659x = 8,438,075,881
5. Step 5: Solve for x
   x = 8,438,075,881/42,659
6. Step 6: Final answer
   x = 197,802.95