Finding the Third Proportional to 67,918,801.50 and 105,913,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,918,801.50 : 105,913,813.50 = 105,913,813.50 : x
2. Step 2: Convert to fraction form
   67,918,801.50/105,913,813.50 = 105,913,813.50/x
3. Step 3: Cross multiply
   67,918,801.50x = 105,913,813.50 × 105,913,813.50
4. Step 4: Simplify right side
   67,918,801.50x = 11,217,735,890,112,782
5. Step 5: Solve for x
   x = 11,217,735,890,112,782/67,918,801.50
6. Step 6: Final answer
   x = 165,163,925.78