Finding the Third Proportional to 101,213 and 145,804.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,213 : 145,804.50 = 145,804.50 : x
2. Step 2: Convert to fraction form
   101,213/145,804.50 = 145,804.50/x
3. Step 3: Cross multiply
   101,213x = 145,804.50 × 145,804.50
4. Step 4: Simplify right side
   101,213x = 21,258,952,220.25
5. Step 5: Solve for x
   x = 21,258,952,220.25/101,213
6. Step 6: Final answer
   x = 210,041.72