Finding the Third Proportional to 42,859,732.50 and 64,688,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,859,732.50 : 64,688,179.50 = 64,688,179.50 : x
2. Step 2: Convert to fraction form
   42,859,732.50/64,688,179.50 = 64,688,179.50/x
3. Step 3: Cross multiply
   42,859,732.50x = 64,688,179.50 × 64,688,179.50
4. Step 4: Simplify right side
   42,859,732.50x = 4,184,560,567,024,220
5. Step 5: Solve for x
   x = 4,184,560,567,024,220/42,859,732.50
6. Step 6: Final answer
   x = 97,633,847.04