Finding the Third Proportional to 100,473 and 147,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,473 : 147,685.50 = 147,685.50 : x
2. Step 2: Convert to fraction form
   100,473/147,685.50 = 147,685.50/x
3. Step 3: Cross multiply
   100,473x = 147,685.50 × 147,685.50
4. Step 4: Simplify right side
   100,473x = 21,811,006,910.25
5. Step 5: Solve for x
   x = 21,811,006,910.25/100,473
6. Step 6: Final answer
   x = 217,083.27