Finding the Third Proportional to 53,683,807.50 and 85,142,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,683,807.50 : 85,142,605.50 = 85,142,605.50 : x
2. Step 2: Convert to fraction form
   53,683,807.50/85,142,605.50 = 85,142,605.50/x
3. Step 3: Cross multiply
   53,683,807.50x = 85,142,605.50 × 85,142,605.50
4. Step 4: Simplify right side
   53,683,807.50x = 7,249,263,271,328,630
5. Step 5: Solve for x
   x = 7,249,263,271,328,630/53,683,807.50
6. Step 6: Final answer
   x = 135,036,310.00