Finding the Third Proportional to 1,212,386 and 2,552,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,386 : 2,552,572 = 2,552,572 : x
2. Step 2: Convert to fraction form
   1,212,386/2,552,572 = 2,552,572/x
3. Step 3: Cross multiply
   1,212,386x = 2,552,572 × 2,552,572
4. Step 4: Simplify right side
   1,212,386x = 6,515,623,815,184
5. Step 5: Solve for x
   x = 6,515,623,815,184/1,212,386
6. Step 6: Final answer
   x = 5,374,215.65