Finding the Third Proportional to 429,961.50 and 920,187

Step by Step Solution

1. Step 1: Write the proportion equation
   429,961.50 : 920,187 = 920,187 : x
2. Step 2: Convert to fraction form
   429,961.50/920,187 = 920,187/x
3. Step 3: Cross multiply
   429,961.50x = 920,187 × 920,187
4. Step 4: Simplify right side
   429,961.50x = 846,744,114,969
5. Step 5: Solve for x
   x = 846,744,114,969/429,961.50
6. Step 6: Final answer
   x = 1,969,348.69