Finding the Third Proportional to 601,858 and 914,608

Step by Step Solution

1. Step 1: Write the proportion equation
   601,858 : 914,608 = 914,608 : x
2. Step 2: Convert to fraction form
   601,858/914,608 = 914,608/x
3. Step 3: Cross multiply
   601,858x = 914,608 × 914,608
4. Step 4: Simplify right side
   601,858x = 836,507,793,664
5. Step 5: Solve for x
   x = 836,507,793,664/601,858
6. Step 6: Final answer
   x = 1,389,875.67