Finding the Third Proportional to 456,718.50 and 976,789.13

Step by Step Solution

1. Step 1: Write the proportion equation
   456,718.50 : 976,789.13 = 976,789.13 : x
2. Step 2: Convert to fraction form
   456,718.50/976,789.13 = 976,789.13/x
3. Step 3: Cross multiply
   456,718.50x = 976,789.13 × 976,789.13
4. Step 4: Simplify right side
   456,718.50x = 954,116,994,718.27
5. Step 5: Solve for x
   x = 954,116,994,718.27/456,718.50
6. Step 6: Final answer
   x = 2,089,070.17