Finding the Third Proportional to 14,621,617.50 and 31,681,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,621,617.50 : 31,681,417.50 = 31,681,417.50 : x
2. Step 2: Convert to fraction form
   14,621,617.50/31,681,417.50 = 31,681,417.50/x
3. Step 3: Cross multiply
   14,621,617.50x = 31,681,417.50 × 31,681,417.50
4. Step 4: Simplify right side
   14,621,617.50x = 1,003,712,214,809,306.25
5. Step 5: Solve for x
   x = 1,003,712,214,809,306.25/14,621,617.50
6. Step 6: Final answer
   x = 68,645,771.56