Finding the Third Proportional to 60,430.50 and 91,977.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,430.50 : 91,977.75 = 91,977.75 : x
2. Step 2: Convert to fraction form
   60,430.50/91,977.75 = 91,977.75/x
3. Step 3: Cross multiply
   60,430.50x = 91,977.75 × 91,977.75
4. Step 4: Simplify right side
   60,430.50x = 8,459,906,495.06
5. Step 5: Solve for x
   x = 8,459,906,495.06/60,430.50
6. Step 6: Final answer
   x = 139,993.98