Finding the Third Proportional to 13,631,688 and 29,178,648

Step by Step Solution

1. Step 1: Write the proportion equation
   13,631,688 : 29,178,648 = 29,178,648 : x
2. Step 2: Convert to fraction form
   13,631,688/29,178,648 = 29,178,648/x
3. Step 3: Cross multiply
   13,631,688x = 29,178,648 × 29,178,648
4. Step 4: Simplify right side
   13,631,688x = 851,393,499,107,904
5. Step 5: Solve for x
   x = 851,393,499,107,904/13,631,688
6. Step 6: Final answer
   x = 62,456,938.50