Finding the Third Proportional to 1,973,580 and 4,251,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973,580 : 4,251,690 = 4,251,690 : x
2. Step 2: Convert to fraction form
   1,973,580/4,251,690 = 4,251,690/x
3. Step 3: Cross multiply
   1,973,580x = 4,251,690 × 4,251,690
4. Step 4: Simplify right side
   1,973,580x = 18,076,867,856,100
5. Step 5: Solve for x
   x = 18,076,867,856,100/1,973,580
6. Step 6: Final answer
   x = 9,159,430.00