Finding the Third Proportional to 70,645 and 99,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,645 : 99,023.50 = 99,023.50 : x
2. Step 2: Convert to fraction form
   70,645/99,023.50 = 99,023.50/x
3. Step 3: Cross multiply
   70,645x = 99,023.50 × 99,023.50
4. Step 4: Simplify right side
   70,645x = 9,805,653,552.25
5. Step 5: Solve for x
   x = 9,805,653,552.25/70,645
6. Step 6: Final answer
   x = 138,801.81