Finding the Third Proportional to 72,112,082.63 and 146,772,651.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,112,082.63 : 146,772,651.38 = 146,772,651.38 : x
2. Step 2: Convert to fraction form
   72,112,082.63/146,772,651.38 = 146,772,651.38/x
3. Step 3: Cross multiply
   72,112,082.63x = 146,772,651.38 × 146,772,651.38
4. Step 4: Simplify right side
   72,112,082.63x = 21,542,211,191,647,288
5. Step 5: Solve for x
   x = 21,542,211,191,647,288/72,112,082.63
6. Step 6: Final answer
   x = 298,732,340.09