Finding the Third Proportional to 11,288,421 and 17,038,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,288,421 : 17,038,444.50 = 17,038,444.50 : x
2. Step 2: Convert to fraction form
   11,288,421/17,038,444.50 = 17,038,444.50/x
3. Step 3: Cross multiply
   11,288,421x = 17,038,444.50 × 17,038,444.50
4. Step 4: Simplify right side
   11,288,421x = 290,308,590,979,580.25
5. Step 5: Solve for x
   x = 290,308,590,979,580.25/11,288,421
6. Step 6: Final answer
   x = 25,717,378.10