Finding the Third Proportional to 689,940 and 950,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   689,940 : 950,062.50 = 950,062.50 : x
2. Step 2: Convert to fraction form
   689,940/950,062.50 = 950,062.50/x
3. Step 3: Cross multiply
   689,940x = 950,062.50 × 950,062.50
4. Step 4: Simplify right side
   689,940x = 902,618,753,906.25
5. Step 5: Solve for x
   x = 902,618,753,906.25/689,940
6. Step 6: Final answer
   x = 1,308,256.88