Finding the Third Proportional to 140,638,845 and 302,878,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,638,845 : 302,878,648.50 = 302,878,648.50 : x
2. Step 2: Convert to fraction form
   140,638,845/302,878,648.50 = 302,878,648.50/x
3. Step 3: Cross multiply
   140,638,845x = 302,878,648.50 × 302,878,648.50
4. Step 4: Simplify right side
   140,638,845x = 91,735,475,717,186,560
5. Step 5: Solve for x
   x = 91,735,475,717,186,560/140,638,845
6. Step 6: Final answer
   x = 652,276,941.82