Finding the Third Proportional to 111,892,618.50 and 235,380,277.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,892,618.50 : 235,380,277.50 = 235,380,277.50 : x
2. Step 2: Convert to fraction form
   111,892,618.50/235,380,277.50 = 235,380,277.50/x
3. Step 3: Cross multiply
   111,892,618.50x = 235,380,277.50 × 235,380,277.50
4. Step 4: Simplify right side
   111,892,618.50x = 55,403,875,035,977,008
5. Step 5: Solve for x
   x = 55,403,875,035,977,008/111,892,618.50
6. Step 6: Final answer
   x = 495,152,189.47