Finding the Third Proportional to 453,321 and 613,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,321 : 613,414.50 = 613,414.50 : x
2. Step 2: Convert to fraction form
   453,321/613,414.50 = 613,414.50/x
3. Step 3: Cross multiply
   453,321x = 613,414.50 × 613,414.50
4. Step 4: Simplify right side
   453,321x = 376,277,348,810.25
5. Step 5: Solve for x
   x = 376,277,348,810.25/453,321
6. Step 6: Final answer
   x = 830,046.15