Finding the Third Proportional to 27,861,073 and 42,212,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,861,073 : 42,212,977.50 = 42,212,977.50 : x
2. Step 2: Convert to fraction form
   27,861,073/42,212,977.50 = 42,212,977.50/x
3. Step 3: Cross multiply
   27,861,073x = 42,212,977.50 × 42,212,977.50
4. Step 4: Simplify right side
   27,861,073x = 1,781,935,469,415,506.25
5. Step 5: Solve for x
   x = 1,781,935,469,415,506.25/27,861,073
6. Step 6: Final answer
   x = 63,957,890.98