Finding the Third Proportional to 90,356 and 120,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,356 : 120,751.50 = 120,751.50 : x
2. Step 2: Convert to fraction form
   90,356/120,751.50 = 120,751.50/x
3. Step 3: Cross multiply
   90,356x = 120,751.50 × 120,751.50
4. Step 4: Simplify right side
   90,356x = 14,580,924,752.25
5. Step 5: Solve for x
   x = 14,580,924,752.25/90,356
6. Step 6: Final answer
   x = 161,371.96