Finding the Third Proportional to 429,401.25 and 917,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,401.25 : 917,851.50 = 917,851.50 : x
2. Step 2: Convert to fraction form
   429,401.25/917,851.50 = 917,851.50/x
3. Step 3: Cross multiply
   429,401.25x = 917,851.50 × 917,851.50
4. Step 4: Simplify right side
   429,401.25x = 842,451,376,052.25
5. Step 5: Solve for x
   x = 842,451,376,052.25/429,401.25
6. Step 6: Final answer
   x = 1,961,921.11