Finding the Third Proportional to 155,883 and 336,090

Step by Step Solution

1. Step 1: Write the proportion equation
   155,883 : 336,090 = 336,090 : x
2. Step 2: Convert to fraction form
   155,883/336,090 = 336,090/x
3. Step 3: Cross multiply
   155,883x = 336,090 × 336,090
4. Step 4: Simplify right side
   155,883x = 112,956,488,100
5. Step 5: Solve for x
   x = 112,956,488,100/155,883
6. Step 6: Final answer
   x = 724,623.52