Finding the Third Proportional to 451,111.50 and 612,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,111.50 : 612,832.50 = 612,832.50 : x
2. Step 2: Convert to fraction form
   451,111.50/612,832.50 = 612,832.50/x
3. Step 3: Cross multiply
   451,111.50x = 612,832.50 × 612,832.50
4. Step 4: Simplify right side
   451,111.50x = 375,563,673,056.25
5. Step 5: Solve for x
   x = 375,563,673,056.25/451,111.50
6. Step 6: Final answer
   x = 832,529.59