Finding the Third Proportional to 1,122,060 and 1,578,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,060 : 1,578,258 = 1,578,258 : x
2. Step 2: Convert to fraction form
   1,122,060/1,578,258 = 1,578,258/x
3. Step 3: Cross multiply
   1,122,060x = 1,578,258 × 1,578,258
4. Step 4: Simplify right side
   1,122,060x = 2,490,898,314,564
5. Step 5: Solve for x
   x = 2,490,898,314,564/1,122,060
6. Step 6: Final answer
   x = 2,219,933.26