Finding the Third Proportional to 17,991,172.50 and 27,636,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991,172.50 : 27,636,412.50 = 27,636,412.50 : x
2. Step 2: Convert to fraction form
   17,991,172.50/27,636,412.50 = 27,636,412.50/x
3. Step 3: Cross multiply
   17,991,172.50x = 27,636,412.50 × 27,636,412.50
4. Step 4: Simplify right side
   17,991,172.50x = 763,771,295,870,156.25
5. Step 5: Solve for x
   x = 763,771,295,870,156.25/17,991,172.50
6. Step 6: Final answer
   x = 42,452,558.10