Finding the Third Proportional to 661,459.50 and 1,402,401

Step by Step Solution

1. Step 1: Write the proportion equation
   661,459.50 : 1,402,401 = 1,402,401 : x
2. Step 2: Convert to fraction form
   661,459.50/1,402,401 = 1,402,401/x
3. Step 3: Cross multiply
   661,459.50x = 1,402,401 × 1,402,401
4. Step 4: Simplify right side
   661,459.50x = 1,966,728,564,801
5. Step 5: Solve for x
   x = 1,966,728,564,801/661,459.50
6. Step 6: Final answer
   x = 2,973,316.68