Finding the Third Proportional to 429,241.50 and 847,674

Step by Step Solution

1. Step 1: Write the proportion equation
   429,241.50 : 847,674 = 847,674 : x
2. Step 2: Convert to fraction form
   429,241.50/847,674 = 847,674/x
3. Step 3: Cross multiply
   429,241.50x = 847,674 × 847,674
4. Step 4: Simplify right side
   429,241.50x = 718,551,210,276
5. Step 5: Solve for x
   x = 718,551,210,276/429,241.50
6. Step 6: Final answer
   x = 1,674,002.19