Finding the Third Proportional to 5,200,690 and 8,084,190

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,690 : 8,084,190 = 8,084,190 : x
2. Step 2: Convert to fraction form
   5,200,690/8,084,190 = 8,084,190/x
3. Step 3: Cross multiply
   5,200,690x = 8,084,190 × 8,084,190
4. Step 4: Simplify right side
   5,200,690x = 65,354,127,956,100
5. Step 5: Solve for x
   x = 65,354,127,956,100/5,200,690
6. Step 6: Final answer
   x = 12,566,434.06