Finding the Third Proportional to 917,590.50 and 2,016,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   917,590.50 : 2,016,706.50 = 2,016,706.50 : x
2. Step 2: Convert to fraction form
   917,590.50/2,016,706.50 = 2,016,706.50/x
3. Step 3: Cross multiply
   917,590.50x = 2,016,706.50 × 2,016,706.50
4. Step 4: Simplify right side
   917,590.50x = 4,067,105,107,142.25
5. Step 5: Solve for x
   x = 4,067,105,107,142.25/917,590.50
6. Step 6: Final answer
   x = 4,432,374.91