Finding the Third Proportional to 911,154 and 1,359,339

Step by Step Solution

1. Step 1: Write the proportion equation
   911,154 : 1,359,339 = 1,359,339 : x
2. Step 2: Convert to fraction form
   911,154/1,359,339 = 1,359,339/x
3. Step 3: Cross multiply
   911,154x = 1,359,339 × 1,359,339
4. Step 4: Simplify right side
   911,154x = 1,847,802,516,921
5. Step 5: Solve for x
   x = 1,847,802,516,921/911,154
6. Step 6: Final answer
   x = 2,027,980.47