Finding the Third Proportional to 148,162.50 and 324,432

Step by Step Solution

1. Step 1: Write the proportion equation
   148,162.50 : 324,432 = 324,432 : x
2. Step 2: Convert to fraction form
   148,162.50/324,432 = 324,432/x
3. Step 3: Cross multiply
   148,162.50x = 324,432 × 324,432
4. Step 4: Simplify right side
   148,162.50x = 105,256,122,624
5. Step 5: Solve for x
   x = 105,256,122,624/148,162.50
6. Step 6: Final answer
   x = 710,410.01