Finding the Third Proportional to 5,200,688 and 8,084,188

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,688 : 8,084,188 = 8,084,188 : x
2. Step 2: Convert to fraction form
   5,200,688/8,084,188 = 8,084,188/x
3. Step 3: Cross multiply
   5,200,688x = 8,084,188 × 8,084,188
4. Step 4: Simplify right side
   5,200,688x = 65,354,095,619,344
5. Step 5: Solve for x
   x = 65,354,095,619,344/5,200,688
6. Step 6: Final answer
   x = 12,566,432.68