Finding the Third Proportional to 521,118,985.50 and 1,147,164,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   521,118,985.50 : 1,147,164,331.50 = 1,147,164,331.50 : x
2. Step 2: Convert to fraction form
   521,118,985.50/1,147,164,331.50 = 1,147,164,331.50/x
3. Step 3: Cross multiply
   521,118,985.50x = 1,147,164,331.50 × 1,147,164,331.50
4. Step 4: Simplify right side
   521,118,985.50x = 1,315,986,003,465,841,920
5. Step 5: Solve for x
   x = 1,315,986,003,465,841,920/521,118,985.50
6. Step 6: Final answer
   x = 2,525,308,115.96