Finding the Third Proportional to 890,167,792.50 and 1,308,586,140

Step by Step Solution

1. Step 1: Write the proportion equation
   890,167,792.50 : 1,308,586,140 = 1,308,586,140 : x
2. Step 2: Convert to fraction form
   890,167,792.50/1,308,586,140 = 1,308,586,140/x
3. Step 3: Cross multiply
   890,167,792.50x = 1,308,586,140 × 1,308,586,140
4. Step 4: Simplify right side
   890,167,792.50x = 1,712,397,685,800,099,584
5. Step 5: Solve for x
   x = 1,712,397,685,800,099,584/890,167,792.50
6. Step 6: Final answer
   x = 1,923,679,670.54