Finding the Third Proportional to 453,315 and 613,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,315 : 613,405.50 = 613,405.50 : x
2. Step 2: Convert to fraction form
   453,315/613,405.50 = 613,405.50/x
3. Step 3: Cross multiply
   453,315x = 613,405.50 × 613,405.50
4. Step 4: Simplify right side
   453,315x = 376,266,307,430.25
5. Step 5: Solve for x
   x = 376,266,307,430.25/453,315
6. Step 6: Final answer
   x = 830,032.78