Finding the Third Proportional to 870,938 and 1,776,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   870,938 : 1,776,867.50 = 1,776,867.50 : x
2. Step 2: Convert to fraction form
   870,938/1,776,867.50 = 1,776,867.50/x
3. Step 3: Cross multiply
   870,938x = 1,776,867.50 × 1,776,867.50
4. Step 4: Simplify right side
   870,938x = 3,157,258,112,556.25
5. Step 5: Solve for x
   x = 3,157,258,112,556.25/870,938
6. Step 6: Final answer
   x = 3,625,123.85