Finding the Third Proportional to 136,263,123.50 and 298,907,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,263,123.50 : 298,907,081.50 = 298,907,081.50 : x
2. Step 2: Convert to fraction form
   136,263,123.50/298,907,081.50 = 298,907,081.50/x
3. Step 3: Cross multiply
   136,263,123.50x = 298,907,081.50 × 298,907,081.50
4. Step 4: Simplify right side
   136,263,123.50x = 89,345,443,370,847,648
5. Step 5: Solve for x
   x = 89,345,443,370,847,648/136,263,123.50
6. Step 6: Final answer
   x = 655,683,218.44