Finding the Third Proportional to 65,103,557.63 and 140,428,890

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103,557.63 : 140,428,890 = 140,428,890 : x
2. Step 2: Convert to fraction form
   65,103,557.63/140,428,890 = 140,428,890/x
3. Step 3: Cross multiply
   65,103,557.63x = 140,428,890 × 140,428,890
4. Step 4: Simplify right side
   65,103,557.63x = 19,720,273,146,632,100
5. Step 5: Solve for x
   x = 19,720,273,146,632,100/65,103,557.63
6. Step 6: Final answer
   x = 302,906,229.18