Finding the Third Proportional to 1,077,188.63 and 1,638,164.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,188.63 : 1,638,164.25 = 1,638,164.25 : x
2. Step 2: Convert to fraction form
   1,077,188.63/1,638,164.25 = 1,638,164.25/x
3. Step 3: Cross multiply
   1,077,188.63x = 1,638,164.25 × 1,638,164.25
4. Step 4: Simplify right side
   1,077,188.63x = 2,683,582,109,978.06
5. Step 5: Solve for x
   x = 2,683,582,109,978.06/1,077,188.63
6. Step 6: Final answer
   x = 2,491,283.37