Finding the Third Proportional to 65,140,232.50 and 99,238,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,140,232.50 : 99,238,591.50 = 99,238,591.50 : x
2. Step 2: Convert to fraction form
   65,140,232.50/99,238,591.50 = 99,238,591.50/x
3. Step 3: Cross multiply
   65,140,232.50x = 99,238,591.50 × 99,238,591.50
4. Step 4: Simplify right side
   65,140,232.50x = 9,848,298,042,903,872
5. Step 5: Solve for x
   x = 9,848,298,042,903,872/65,140,232.50
6. Step 6: Final answer
   x = 151,186,105.19