Finding the Third Proportional to 927,780 and 1,977,060

Step by Step Solution

1. Step 1: Write the proportion equation
   927,780 : 1,977,060 = 1,977,060 : x
2. Step 2: Convert to fraction form
   927,780/1,977,060 = 1,977,060/x
3. Step 3: Cross multiply
   927,780x = 1,977,060 × 1,977,060
4. Step 4: Simplify right side
   927,780x = 3,908,766,243,600
5. Step 5: Solve for x
   x = 3,908,766,243,600/927,780
6. Step 6: Final answer
   x = 4,213,031.37