Finding the Third Proportional to 691,114 and 1,031,340

Step by Step Solution

1. Step 1: Write the proportion equation
   691,114 : 1,031,340 = 1,031,340 : x
2. Step 2: Convert to fraction form
   691,114/1,031,340 = 1,031,340/x
3. Step 3: Cross multiply
   691,114x = 1,031,340 × 1,031,340
4. Step 4: Simplify right side
   691,114x = 1,063,662,195,600
5. Step 5: Solve for x
   x = 1,063,662,195,600/691,114
6. Step 6: Final answer
   x = 1,539,054.62