Finding the Third Proportional to 612,810 and 945,054

Step by Step Solution

1. Step 1: Write the proportion equation
   612,810 : 945,054 = 945,054 : x
2. Step 2: Convert to fraction form
   612,810/945,054 = 945,054/x
3. Step 3: Cross multiply
   612,810x = 945,054 × 945,054
4. Step 4: Simplify right side
   612,810x = 893,127,062,916
5. Step 5: Solve for x
   x = 893,127,062,916/612,810
6. Step 6: Final answer
   x = 1,457,429.00