Finding the Third Proportional to 49,430 and 76,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,430 : 76,602.50 = 76,602.50 : x
2. Step 2: Convert to fraction form
   49,430/76,602.50 = 76,602.50/x
3. Step 3: Cross multiply
   49,430x = 76,602.50 × 76,602.50
4. Step 4: Simplify right side
   49,430x = 5,867,943,006.25
5. Step 5: Solve for x
   x = 5,867,943,006.25/49,430
6. Step 6: Final answer
   x = 118,712.18