Finding the Third Proportional to 90,729 and 118,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,729 : 118,597.50 = 118,597.50 : x
2. Step 2: Convert to fraction form
   90,729/118,597.50 = 118,597.50/x
3. Step 3: Cross multiply
   90,729x = 118,597.50 × 118,597.50
4. Step 4: Simplify right side
   90,729x = 14,065,367,006.25
5. Step 5: Solve for x
   x = 14,065,367,006.25/90,729
6. Step 6: Final answer
   x = 155,026.14