Finding the Third Proportional to 1,233,861 and 1,680,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,861 : 1,680,925.50 = 1,680,925.50 : x
2. Step 2: Convert to fraction form
   1,233,861/1,680,925.50 = 1,680,925.50/x
3. Step 3: Cross multiply
   1,233,861x = 1,680,925.50 × 1,680,925.50
4. Step 4: Simplify right side
   1,233,861x = 2,825,510,536,550.25
5. Step 5: Solve for x
   x = 2,825,510,536,550.25/1,233,861
6. Step 6: Final answer
   x = 2,289,974.75