Finding the Third Proportional to 866,561.50 and 1,870,134

Step by Step Solution

1. Step 1: Write the proportion equation
   866,561.50 : 1,870,134 = 1,870,134 : x
2. Step 2: Convert to fraction form
   866,561.50/1,870,134 = 1,870,134/x
3. Step 3: Cross multiply
   866,561.50x = 1,870,134 × 1,870,134
4. Step 4: Simplify right side
   866,561.50x = 3,497,401,177,956
5. Step 5: Solve for x
   x = 3,497,401,177,956/866,561.50
6. Step 6: Final answer
   x = 4,035,952.64