Finding the Third Proportional to 909,460.50 and 1,980,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   909,460.50 : 1,980,382.50 = 1,980,382.50 : x
2. Step 2: Convert to fraction form
   909,460.50/1,980,382.50 = 1,980,382.50/x
3. Step 3: Cross multiply
   909,460.50x = 1,980,382.50 × 1,980,382.50
4. Step 4: Simplify right side
   909,460.50x = 3,921,914,846,306.25
5. Step 5: Solve for x
   x = 3,921,914,846,306.25/909,460.50
6. Step 6: Final answer
   x = 4,312,353.14