Finding the Third Proportional to 1,047,840 and 1,577,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,840 : 1,577,880 = 1,577,880 : x
2. Step 2: Convert to fraction form
   1,047,840/1,577,880 = 1,577,880/x
3. Step 3: Cross multiply
   1,047,840x = 1,577,880 × 1,577,880
4. Step 4: Simplify right side
   1,047,840x = 2,489,705,294,400
5. Step 5: Solve for x
   x = 2,489,705,294,400/1,047,840
6. Step 6: Final answer
   x = 2,376,035.74