Finding the Third Proportional to 140,902 and 291,118

Step by Step Solution

1. Step 1: Write the proportion equation
   140,902 : 291,118 = 291,118 : x
2. Step 2: Convert to fraction form
   140,902/291,118 = 291,118/x
3. Step 3: Cross multiply
   140,902x = 291,118 × 291,118
4. Step 4: Simplify right side
   140,902x = 84,749,689,924
5. Step 5: Solve for x
   x = 84,749,689,924/140,902
6. Step 6: Final answer
   x = 601,479.68