Finding the Third Proportional to 1,001,580 and 2,219,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,001,580 : 2,219,310 = 2,219,310 : x
2. Step 2: Convert to fraction form
   1,001,580/2,219,310 = 2,219,310/x
3. Step 3: Cross multiply
   1,001,580x = 2,219,310 × 2,219,310
4. Step 4: Simplify right side
   1,001,580x = 4,925,336,876,100
5. Step 5: Solve for x
   x = 4,925,336,876,100/1,001,580
6. Step 6: Final answer
   x = 4,917,567.12