Finding the Third Proportional to 11,385,060 and 17,609,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,385,060 : 17,609,599.50 = 17,609,599.50 : x
2. Step 2: Convert to fraction form
   11,385,060/17,609,599.50 = 17,609,599.50/x
3. Step 3: Cross multiply
   11,385,060x = 17,609,599.50 × 17,609,599.50
4. Step 4: Simplify right side
   11,385,060x = 310,097,994,550,400.25
5. Step 5: Solve for x
   x = 310,097,994,550,400.25/11,385,060
6. Step 6: Final answer
   x = 27,237,273.63