Finding the Third Proportional to 66,354.19 and 99,797.06

Step by Step Solution

1. Step 1: Write the proportion equation
   66,354.19 : 99,797.06 = 99,797.06 : x
2. Step 2: Convert to fraction form
   66,354.19/99,797.06 = 99,797.06/x
3. Step 3: Cross multiply
   66,354.19x = 99,797.06 × 99,797.06
4. Step 4: Simplify right side
   66,354.19x = 9,959,453,683.63
5. Step 5: Solve for x
   x = 9,959,453,683.63/66,354.19
6. Step 6: Final answer
   x = 150,095.33