Finding the Third Proportional to 4,788,898 and 10,640,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,788,898 : 10,640,680 = 10,640,680 : x
2. Step 2: Convert to fraction form
   4,788,898/10,640,680 = 10,640,680/x
3. Step 3: Cross multiply
   4,788,898x = 10,640,680 × 10,640,680
4. Step 4: Simplify right side
   4,788,898x = 113,224,070,862,400
5. Step 5: Solve for x
   x = 113,224,070,862,400/4,788,898
6. Step 6: Final answer
   x = 23,643,032.46