Finding the Third Proportional to 1,005,846 and 2,155,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,846 : 2,155,510.50 = 2,155,510.50 : x
2. Step 2: Convert to fraction form
   1,005,846/2,155,510.50 = 2,155,510.50/x
3. Step 3: Cross multiply
   1,005,846x = 2,155,510.50 × 2,155,510.50
4. Step 4: Simplify right side
   1,005,846x = 4,646,225,515,610.25
5. Step 5: Solve for x
   x = 4,646,225,515,610.25/1,005,846
6. Step 6: Final answer
   x = 4,619,221.55