Finding the Third Proportional to 12,909,386.25 and 28,090,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909,386.25 : 28,090,093.50 = 28,090,093.50 : x
2. Step 2: Convert to fraction form
   12,909,386.25/28,090,093.50 = 28,090,093.50/x
3. Step 3: Cross multiply
   12,909,386.25x = 28,090,093.50 × 28,090,093.50
4. Step 4: Simplify right side
   12,909,386.25x = 789,053,352,838,742.25
5. Step 5: Solve for x
   x = 789,053,352,838,742.25/12,909,386.25
6. Step 6: Final answer
   x = 61,122,452.88