Finding the Third Proportional to 429,725 and 910,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,725 : 910,676.50 = 910,676.50 : x
2. Step 2: Convert to fraction form
   429,725/910,676.50 = 910,676.50/x
3. Step 3: Cross multiply
   429,725x = 910,676.50 × 910,676.50
4. Step 4: Simplify right side
   429,725x = 829,331,687,652.25
5. Step 5: Solve for x
   x = 829,331,687,652.25/429,725
6. Step 6: Final answer
   x = 1,929,912.59