Finding the Third Proportional to 414,293 and 907,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,293 : 907,631.50 = 907,631.50 : x
2. Step 2: Convert to fraction form
   414,293/907,631.50 = 907,631.50/x
3. Step 3: Cross multiply
   414,293x = 907,631.50 × 907,631.50
4. Step 4: Simplify right side
   414,293x = 823,794,939,792.25
5. Step 5: Solve for x
   x = 823,794,939,792.25/414,293
6. Step 6: Final answer
   x = 1,988,435.58