Finding the Third Proportional to 9,700,510 and 13,487,640

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700,510 : 13,487,640 = 13,487,640 : x
2. Step 2: Convert to fraction form
   9,700,510/13,487,640 = 13,487,640/x
3. Step 3: Cross multiply
   9,700,510x = 13,487,640 × 13,487,640
4. Step 4: Simplify right side
   9,700,510x = 181,916,432,769,600
5. Step 5: Solve for x
   x = 181,916,432,769,600/9,700,510
6. Step 6: Final answer
   x = 18,753,285.42