Finding the Third Proportional to 65,192.50 and 156,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,192.50 : 156,998.50 = 156,998.50 : x
2. Step 2: Convert to fraction form
   65,192.50/156,998.50 = 156,998.50/x
3. Step 3: Cross multiply
   65,192.50x = 156,998.50 × 156,998.50
4. Step 4: Simplify right side
   65,192.50x = 24,648,529,002.25
5. Step 5: Solve for x
   x = 24,648,529,002.25/65,192.50
6. Step 6: Final answer
   x = 378,088.42