Finding the Third Proportional to 89,070 and 118,972.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,070 : 118,972.50 = 118,972.50 : x
2. Step 2: Convert to fraction form
   89,070/118,972.50 = 118,972.50/x
3. Step 3: Cross multiply
   89,070x = 118,972.50 × 118,972.50
4. Step 4: Simplify right side
   89,070x = 14,154,455,756.25
5. Step 5: Solve for x
   x = 14,154,455,756.25/89,070
6. Step 6: Final answer
   x = 158,913.84