Finding the Third Proportional to 1,499,390.25 and 2,142,635.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,390.25 : 2,142,635.63 = 2,142,635.63 : x
2. Step 2: Convert to fraction form
   1,499,390.25/2,142,635.63 = 2,142,635.63/x
3. Step 3: Cross multiply
   1,499,390.25x = 2,142,635.63 × 2,142,635.63
4. Step 4: Simplify right side
   1,499,390.25x = 4,590,887,421,519.14
5. Step 5: Solve for x
   x = 4,590,887,421,519.14/1,499,390.25
6. Step 6: Final answer
   x = 3,061,836.25