Finding the Third Proportional to 709,258 and 1,061,381

Step by Step Solution

1. Step 1: Write the proportion equation
   709,258 : 1,061,381 = 1,061,381 : x
2. Step 2: Convert to fraction form
   709,258/1,061,381 = 1,061,381/x
3. Step 3: Cross multiply
   709,258x = 1,061,381 × 1,061,381
4. Step 4: Simplify right side
   709,258x = 1,126,529,627,161
5. Step 5: Solve for x
   x = 1,126,529,627,161/709,258
6. Step 6: Final answer
   x = 1,588,321.35