Finding the Third Proportional to 9,980,314.50 and 21,654,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980,314.50 : 21,654,602.50 = 21,654,602.50 : x
2. Step 2: Convert to fraction form
   9,980,314.50/21,654,602.50 = 21,654,602.50/x
3. Step 3: Cross multiply
   9,980,314.50x = 21,654,602.50 × 21,654,602.50
4. Step 4: Simplify right side
   9,980,314.50x = 468,921,809,433,006.25
5. Step 5: Solve for x
   x = 468,921,809,433,006.25/9,980,314.50
6. Step 6: Final answer
   x = 46,984,672.62