Finding the Third Proportional to 1,287,994.50 and 1,892,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,994.50 : 1,892,608.88 = 1,892,608.88 : x
2. Step 2: Convert to fraction form
   1,287,994.50/1,892,608.88 = 1,892,608.88/x
3. Step 3: Cross multiply
   1,287,994.50x = 1,892,608.88 × 1,892,608.88
4. Step 4: Simplify right side
   1,287,994.50x = 3,581,968,353,728.77
5. Step 5: Solve for x
   x = 3,581,968,353,728.77/1,287,994.50
6. Step 6: Final answer
   x = 2,781,043.21