Finding the Third Proportional to 17,756,307.75 and 38,155,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,756,307.75 : 38,155,978.50 = 38,155,978.50 : x
2. Step 2: Convert to fraction form
   17,756,307.75/38,155,978.50 = 38,155,978.50/x
3. Step 3: Cross multiply
   17,756,307.75x = 38,155,978.50 × 38,155,978.50
4. Step 4: Simplify right side
   17,756,307.75x = 1,455,878,695,292,462.25
5. Step 5: Solve for x
   x = 1,455,878,695,292,462.25/17,756,307.75
6. Step 6: Final answer
   x = 81,992,197.69