Finding the Third Proportional to 7,487,569.50 and 10,699,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,487,569.50 : 10,699,909.50 = 10,699,909.50 : x
2. Step 2: Convert to fraction form
   7,487,569.50/10,699,909.50 = 10,699,909.50/x
3. Step 3: Cross multiply
   7,487,569.50x = 10,699,909.50 × 10,699,909.50
4. Step 4: Simplify right side
   7,487,569.50x = 114,488,063,308,190.25
5. Step 5: Solve for x
   x = 114,488,063,308,190.25/7,487,569.50
6. Step 6: Final answer
   x = 15,290,417.45