Finding the Third Proportional to 4,988,972 and 10,776,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,988,972 : 10,776,280 = 10,776,280 : x
2. Step 2: Convert to fraction form
   4,988,972/10,776,280 = 10,776,280/x
3. Step 3: Cross multiply
   4,988,972x = 10,776,280 × 10,776,280
4. Step 4: Simplify right side
   4,988,972x = 116,128,210,638,400
5. Step 5: Solve for x
   x = 116,128,210,638,400/4,988,972
6. Step 6: Final answer
   x = 23,276,981.84