Finding the Third Proportional to 100,998 and 156,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,998 : 156,820.50 = 156,820.50 : x
2. Step 2: Convert to fraction form
   100,998/156,820.50 = 156,820.50/x
3. Step 3: Cross multiply
   100,998x = 156,820.50 × 156,820.50
4. Step 4: Simplify right side
   100,998x = 24,592,669,220.25
5. Step 5: Solve for x
   x = 24,592,669,220.25/100,998
6. Step 6: Final answer
   x = 243,496.60