Finding the Third Proportional to 4,680,792 and 6,990,300

Step by Step Solution

1. Step 1: Write the proportion equation
   4,680,792 : 6,990,300 = 6,990,300 : x
2. Step 2: Convert to fraction form
   4,680,792/6,990,300 = 6,990,300/x
3. Step 3: Cross multiply
   4,680,792x = 6,990,300 × 6,990,300
4. Step 4: Simplify right side
   4,680,792x = 48,864,294,090,000
5. Step 5: Solve for x
   x = 48,864,294,090,000/4,680,792
6. Step 6: Final answer
   x = 10,439,321.83