Finding the Third Proportional to 611,112 and 1,315,840

Step by Step Solution

1. Step 1: Write the proportion equation
   611,112 : 1,315,840 = 1,315,840 : x
2. Step 2: Convert to fraction form
   611,112/1,315,840 = 1,315,840/x
3. Step 3: Cross multiply
   611,112x = 1,315,840 × 1,315,840
4. Step 4: Simplify right side
   611,112x = 1,731,434,905,600
5. Step 5: Solve for x
   x = 1,731,434,905,600/611,112
6. Step 6: Final answer
   x = 2,833,253.00