Finding the Third Proportional to 98,902.50 and 157,242

Step by Step Solution

1. Step 1: Write the proportion equation
   98,902.50 : 157,242 = 157,242 : x
2. Step 2: Convert to fraction form
   98,902.50/157,242 = 157,242/x
3. Step 3: Cross multiply
   98,902.50x = 157,242 × 157,242
4. Step 4: Simplify right side
   98,902.50x = 24,725,046,564
5. Step 5: Solve for x
   x = 24,725,046,564/98,902.50
6. Step 6: Final answer
   x = 249,994.15