Finding the Third Proportional to 612,776 and 1,323,940

Step by Step Solution

1. Step 1: Write the proportion equation
   612,776 : 1,323,940 = 1,323,940 : x
2. Step 2: Convert to fraction form
   612,776/1,323,940 = 1,323,940/x
3. Step 3: Cross multiply
   612,776x = 1,323,940 × 1,323,940
4. Step 4: Simplify right side
   612,776x = 1,752,817,123,600
5. Step 5: Solve for x
   x = 1,752,817,123,600/612,776
6. Step 6: Final answer
   x = 2,860,453.29