Finding the Third Proportional to 98,290 and 147,931

Step by Step Solution

1. Step 1: Write the proportion equation
   98,290 : 147,931 = 147,931 : x
2. Step 2: Convert to fraction form
   98,290/147,931 = 147,931/x
3. Step 3: Cross multiply
   98,290x = 147,931 × 147,931
4. Step 4: Simplify right side
   98,290x = 21,883,580,761
5. Step 5: Solve for x
   x = 21,883,580,761/98,290
6. Step 6: Final answer
   x = 222,643.00