Finding the Third Proportional to 61,068 and 91,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,068 : 91,141.50 = 91,141.50 : x
2. Step 2: Convert to fraction form
   61,068/91,141.50 = 91,141.50/x
3. Step 3: Cross multiply
   61,068x = 91,141.50 × 91,141.50
4. Step 4: Simplify right side
   61,068x = 8,306,773,022.25
5. Step 5: Solve for x
   x = 8,306,773,022.25/61,068
6. Step 6: Final answer
   x = 136,024.97