Finding the Third Proportional to 136,263,126 and 298,907,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,263,126 : 298,907,086.50 = 298,907,086.50 : x
2. Step 2: Convert to fraction form
   136,263,126/298,907,086.50 = 298,907,086.50/x
3. Step 3: Cross multiply
   136,263,126x = 298,907,086.50 × 298,907,086.50
4. Step 4: Simplify right side
   136,263,126x = 89,345,446,359,918,480
5. Step 5: Solve for x
   x = 89,345,446,359,918,480/136,263,126
6. Step 6: Final answer
   x = 655,683,228.34