Finding the Third Proportional to 347,566 and 812,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,566 : 812,021.50 = 812,021.50 : x
2. Step 2: Convert to fraction form
   347,566/812,021.50 = 812,021.50/x
3. Step 3: Cross multiply
   347,566x = 812,021.50 × 812,021.50
4. Step 4: Simplify right side
   347,566x = 659,378,916,462.25
5. Step 5: Solve for x
   x = 659,378,916,462.25/347,566
6. Step 6: Final answer
   x = 1,897,132.97