Finding the Third Proportional to 42,749,905.50 and 91,553,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,749,905.50 : 91,553,245.50 = 91,553,245.50 : x
2. Step 2: Convert to fraction form
   42,749,905.50/91,553,245.50 = 91,553,245.50/x
3. Step 3: Cross multiply
   42,749,905.50x = 91,553,245.50 × 91,553,245.50
4. Step 4: Simplify right side
   42,749,905.50x = 8,381,996,761,583,270
5. Step 5: Solve for x
   x = 8,381,996,761,583,270/42,749,905.50
6. Step 6: Final answer
   x = 196,070,533.11