Finding the Third Proportional to 407,094 and 868,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,094 : 868,291.50 = 868,291.50 : x
2. Step 2: Convert to fraction form
   407,094/868,291.50 = 868,291.50/x
3. Step 3: Cross multiply
   407,094x = 868,291.50 × 868,291.50
4. Step 4: Simplify right side
   407,094x = 753,930,128,972.25
5. Step 5: Solve for x
   x = 753,930,128,972.25/407,094
6. Step 6: Final answer
   x = 1,851,980.45