Finding the Third Proportional to 9,980,312.63 and 21,654,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980,312.63 : 21,654,598.50 = 21,654,598.50 : x
2. Step 2: Convert to fraction form
   9,980,312.63/21,654,598.50 = 21,654,598.50/x
3. Step 3: Cross multiply
   9,980,312.63x = 21,654,598.50 × 21,654,598.50
4. Step 4: Simplify right side
   9,980,312.63x = 468,921,636,196,202.25
5. Step 5: Solve for x
   x = 468,921,636,196,202.25/9,980,312.63
6. Step 6: Final answer
   x = 46,984,664.09