Finding the Third Proportional to 45,191 and 69,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,191 : 69,130.50 = 69,130.50 : x
2. Step 2: Convert to fraction form
   45,191/69,130.50 = 69,130.50/x
3. Step 3: Cross multiply
   45,191x = 69,130.50 × 69,130.50
4. Step 4: Simplify right side
   45,191x = 4,779,026,030.25
5. Step 5: Solve for x
   x = 4,779,026,030.25/45,191
6. Step 6: Final answer
   x = 105,751.72