Finding the Third Proportional to 12,728,914.50 and 28,338,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728,914.50 : 28,338,931.50 = 28,338,931.50 : x
2. Step 2: Convert to fraction form
   12,728,914.50/28,338,931.50 = 28,338,931.50/x
3. Step 3: Cross multiply
   12,728,914.50x = 28,338,931.50 × 28,338,931.50
4. Step 4: Simplify right side
   12,728,914.50x = 803,095,038,561,692.25
5. Step 5: Solve for x
   x = 803,095,038,561,692.25/12,728,914.50
6. Step 6: Final answer
   x = 63,092,185.79