Finding the Third Proportional to 62,620,429.50 and 86,527,890

Step by Step Solution

1. Step 1: Write the proportion equation
   62,620,429.50 : 86,527,890 = 86,527,890 : x
2. Step 2: Convert to fraction form
   62,620,429.50/86,527,890 = 86,527,890/x
3. Step 3: Cross multiply
   62,620,429.50x = 86,527,890 × 86,527,890
4. Step 4: Simplify right side
   62,620,429.50x = 7,487,075,747,852,100
5. Step 5: Solve for x
   x = 7,487,075,747,852,100/62,620,429.50
6. Step 6: Final answer
   x = 119,562,829.70