Finding the Third Proportional to 38,772 and 58,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,772 : 58,156.50 = 58,156.50 : x
2. Step 2: Convert to fraction form
   38,772/58,156.50 = 58,156.50/x
3. Step 3: Cross multiply
   38,772x = 58,156.50 × 58,156.50
4. Step 4: Simplify right side
   38,772x = 3,382,178,492.25
5. Step 5: Solve for x
   x = 3,382,178,492.25/38,772
6. Step 6: Final answer
   x = 87,232.50