Finding the Third Proportional to 12,909,294 and 28,089,828

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909,294 : 28,089,828 = 28,089,828 : x
2. Step 2: Convert to fraction form
   12,909,294/28,089,828 = 28,089,828/x
3. Step 3: Cross multiply
   12,909,294x = 28,089,828 × 28,089,828
4. Step 4: Simplify right side
   12,909,294x = 789,038,437,069,584
5. Step 5: Solve for x
   x = 789,038,437,069,584/12,909,294
6. Step 6: Final answer
   x = 61,121,734.24