Finding the Third Proportional to 68,940,706.50 and 147,716,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,940,706.50 : 147,716,692.50 = 147,716,692.50 : x
2. Step 2: Convert to fraction form
   68,940,706.50/147,716,692.50 = 147,716,692.50/x
3. Step 3: Cross multiply
   68,940,706.50x = 147,716,692.50 × 147,716,692.50
4. Step 4: Simplify right side
   68,940,706.50x = 21,820,221,243,139,556
5. Step 5: Solve for x
   x = 21,820,221,243,139,556/68,940,706.50
6. Step 6: Final answer
   x = 316,507,073.27