Finding the Third Proportional to 10,128,739 and 23,427,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,739 : 23,427,902.50 = 23,427,902.50 : x
2. Step 2: Convert to fraction form
   10,128,739/23,427,902.50 = 23,427,902.50/x
3. Step 3: Cross multiply
   10,128,739x = 23,427,902.50 × 23,427,902.50
4. Step 4: Simplify right side
   10,128,739x = 548,866,615,549,506.25
5. Step 5: Solve for x
   x = 548,866,615,549,506.25/10,128,739
6. Step 6: Final answer
   x = 54,189,037.31