Finding the Third Proportional to 918,611 and 1,970,110

Step by Step Solution

1. Step 1: Write the proportion equation
   918,611 : 1,970,110 = 1,970,110 : x
2. Step 2: Convert to fraction form
   918,611/1,970,110 = 1,970,110/x
3. Step 3: Cross multiply
   918,611x = 1,970,110 × 1,970,110
4. Step 4: Simplify right side
   918,611x = 3,881,333,412,100
5. Step 5: Solve for x
   x = 3,881,333,412,100/918,611
6. Step 6: Final answer
   x = 4,225,219.83