Finding the Third Proportional to 691,362 and 929,123

Step by Step Solution

1. Step 1: Write the proportion equation
   691,362 : 929,123 = 929,123 : x
2. Step 2: Convert to fraction form
   691,362/929,123 = 929,123/x
3. Step 3: Cross multiply
   691,362x = 929,123 × 929,123
4. Step 4: Simplify right side
   691,362x = 863,269,549,129
5. Step 5: Solve for x
   x = 863,269,549,129/691,362
6. Step 6: Final answer
   x = 1,248,650.56