Finding the Third Proportional to 601,210 and 900,158

Step by Step Solution

1. Step 1: Write the proportion equation
   601,210 : 900,158 = 900,158 : x
2. Step 2: Convert to fraction form
   601,210/900,158 = 900,158/x
3. Step 3: Cross multiply
   601,210x = 900,158 × 900,158
4. Step 4: Simplify right side
   601,210x = 810,284,424,964
5. Step 5: Solve for x
   x = 810,284,424,964/601,210
6. Step 6: Final answer
   x = 1,347,756.07