Finding the Third Proportional to 157,308 and 342,260

Step by Step Solution

1. Step 1: Write the proportion equation
   157,308 : 342,260 = 342,260 : x
2. Step 2: Convert to fraction form
   157,308/342,260 = 342,260/x
3. Step 3: Cross multiply
   157,308x = 342,260 × 342,260
4. Step 4: Simplify right side
   157,308x = 117,141,907,600
5. Step 5: Solve for x
   x = 117,141,907,600/157,308
6. Step 6: Final answer
   x = 744,665.93