Finding the Third Proportional to 69,235,906.50 and 109,633,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,235,906.50 : 109,633,297.50 = 109,633,297.50 : x
2. Step 2: Convert to fraction form
   69,235,906.50/109,633,297.50 = 109,633,297.50/x
3. Step 3: Cross multiply
   69,235,906.50x = 109,633,297.50 × 109,633,297.50
4. Step 4: Simplify right side
   69,235,906.50x = 12,019,459,920,723,506
5. Step 5: Solve for x
   x = 12,019,459,920,723,506/69,235,906.50
6. Step 6: Final answer
   x = 173,601,538.97