Finding the Third Proportional to 66,083.50 and 99,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,083.50 : 99,145.50 = 99,145.50 : x
2. Step 2: Convert to fraction form
   66,083.50/99,145.50 = 99,145.50/x
3. Step 3: Cross multiply
   66,083.50x = 99,145.50 × 99,145.50
4. Step 4: Simplify right side
   66,083.50x = 9,829,830,170.25
5. Step 5: Solve for x
   x = 9,829,830,170.25/66,083.50
6. Step 6: Final answer
   x = 148,748.63