Finding the Third Proportional to 790,812 and 1,225,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   790,812 : 1,225,543.50 = 1,225,543.50 : x
2. Step 2: Convert to fraction form
   790,812/1,225,543.50 = 1,225,543.50/x
3. Step 3: Cross multiply
   790,812x = 1,225,543.50 × 1,225,543.50
4. Step 4: Simplify right side
   790,812x = 1,501,956,870,392.25
5. Step 5: Solve for x
   x = 1,501,956,870,392.25/790,812
6. Step 6: Final answer
   x = 1,899,259.08