Finding the Third Proportional to 429,855.50 and 910,875

Step by Step Solution

1. Step 1: Write the proportion equation
   429,855.50 : 910,875 = 910,875 : x
2. Step 2: Convert to fraction form
   429,855.50/910,875 = 910,875/x
3. Step 3: Cross multiply
   429,855.50x = 910,875 × 910,875
4. Step 4: Simplify right side
   429,855.50x = 829,693,265,625
5. Step 5: Solve for x
   x = 829,693,265,625/429,855.50
6. Step 6: Final answer
   x = 1,930,167.85