Finding the Third Proportional to 1,287,750 and 2,543,070

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,750 : 2,543,070 = 2,543,070 : x
2. Step 2: Convert to fraction form
   1,287,750/2,543,070 = 2,543,070/x
3. Step 3: Cross multiply
   1,287,750x = 2,543,070 × 2,543,070
4. Step 4: Simplify right side
   1,287,750x = 6,467,205,024,900
5. Step 5: Solve for x
   x = 6,467,205,024,900/1,287,750
6. Step 6: Final answer
   x = 5,022,096.70