Finding the Third Proportional to 921,088 and 1,982,140

Step by Step Solution

1. Step 1: Write the proportion equation
   921,088 : 1,982,140 = 1,982,140 : x
2. Step 2: Convert to fraction form
   921,088/1,982,140 = 1,982,140/x
3. Step 3: Cross multiply
   921,088x = 1,982,140 × 1,982,140
4. Step 4: Simplify right side
   921,088x = 3,928,878,979,600
5. Step 5: Solve for x
   x = 3,928,878,979,600/921,088
6. Step 6: Final answer
   x = 4,265,476.24