Finding the Third Proportional to 112,639 and 152,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,639 : 152,043.50 = 152,043.50 : x
2. Step 2: Convert to fraction form
   112,639/152,043.50 = 152,043.50/x
3. Step 3: Cross multiply
   112,639x = 152,043.50 × 152,043.50
4. Step 4: Simplify right side
   112,639x = 23,117,225,892.25
5. Step 5: Solve for x
   x = 23,117,225,892.25/112,639
6. Step 6: Final answer
   x = 205,232.88