Finding the Third Proportional to 72,070,506 and 111,688,632

Step by Step Solution

1. Step 1: Write the proportion equation
   72,070,506 : 111,688,632 = 111,688,632 : x
2. Step 2: Convert to fraction form
   72,070,506/111,688,632 = 111,688,632/x
3. Step 3: Cross multiply
   72,070,506x = 111,688,632 × 111,688,632
4. Step 4: Simplify right side
   72,070,506x = 12,474,350,518,031,424
5. Step 5: Solve for x
   x = 12,474,350,518,031,424/72,070,506
6. Step 6: Final answer
   x = 173,085,374.45