Finding the Third Proportional to 1,430,538 and 2,160,387

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,538 : 2,160,387 = 2,160,387 : x
2. Step 2: Convert to fraction form
   1,430,538/2,160,387 = 2,160,387/x
3. Step 3: Cross multiply
   1,430,538x = 2,160,387 × 2,160,387
4. Step 4: Simplify right side
   1,430,538x = 4,667,271,989,769
5. Step 5: Solve for x
   x = 4,667,271,989,769/1,430,538
6. Step 6: Final answer
   x = 3,262,599.10