Finding the Third Proportional to 47,931.75 and 85,384.13

Step by Step Solution

1. Step 1: Write the proportion equation
   47,931.75 : 85,384.13 = 85,384.13 : x
2. Step 2: Convert to fraction form
   47,931.75/85,384.13 = 85,384.13/x
3. Step 3: Cross multiply
   47,931.75x = 85,384.13 × 85,384.13
4. Step 4: Simplify right side
   47,931.75x = 7,290,448,802.02
5. Step 5: Solve for x
   x = 7,290,448,802.02/47,931.75
6. Step 6: Final answer
   x = 152,100.62